diff --git a/server/examples/example_api.py b/server/examples/example_api.py
index 7349c1a2d..43eb52ed8 100644
--- a/server/examples/example_api.py
+++ b/server/examples/example_api.py
@@ -89,25 +89,34 @@ async def show_image(img_id: str):
 
 @volview.expose("medianFilter")
 async def median_filter(img_id, radius):
-    store = get_current_client_store("images")
+    # Use image-cache store directly (recommended approach)
+    cache_store = get_current_client_store("image-cache")
     state = get_current_session(default_factory=ClientState)
 
     # Behavior: when a median filter request occurs on a
     # blurred image, we instead assume we are re-running
     # the blur operation on the original image.
     base_image_id = get_base_image(state, img_id)
-    img = await store.dataIndex[base_image_id]
+    
+    img = await cache_store.getVtkImageData(base_image_id)
+    
+    if img is None:
+        raise ValueError(f"No image found for ID: {base_image_id}")
 
     # we need to run the median filter in a subprocess,
     # since itk blocks the GIL.
     output = await run_median_filter_process(img, radius)
 
     blurred_id = state.image_id_map.get(base_image_id)
+    images_store = get_current_client_store("images")
+    
     if not blurred_id:
-        blurred_id = await store.addVTKImageData("Blurred image", output)
+        # Add new blurred image
+        blurred_id = await images_store.addVTKImageData("Blurred image", output)
         # Associate the blurred image ID with the base image ID.
         associate_images(state, base_image_id, blurred_id)
     else:
-        await store.updateData(blurred_id, output)
+        # Update existing blurred image using the new updateVTKImageData method
+        await cache_store.updateVTKImageData(blurred_id, output)
 
     await show_image(blurred_id)
diff --git a/server/poetry.lock b/server/poetry.lock
index 7a9377970..f0d210d1f 100644
--- a/server/poetry.lock
+++ b/server/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.7.1 and should not be changed by hand.
+# This file is automatically @generated by Poetry 2.1.3 and should not be changed by hand.
 
 [[package]]
 name = "aiohttp"
@@ -6,6 +6,7 @@ version = "3.9.2"
 description = "Async http client/server framework (asyncio)"
 optional = false
 python-versions = ">=3.8"
+groups = ["main"]
 files = [
     {file = "aiohttp-3.9.2-cp310-cp310-macosx_10_9_universal2.whl", hash = "sha256:772fbe371788e61c58d6d3d904268e48a594ba866804d08c995ad71b144f94cb"},
     {file = "aiohttp-3.9.2-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:edd4f1af2253f227ae311ab3d403d0c506c9b4410c7fc8d9573dec6d9740369f"},
@@ -94,7 +95,7 @@ multidict = ">=4.5,<7.0"
 yarl = ">=1.0,<2.0"
 
 [package.extras]
-speedups = ["Brotli", "aiodns", "brotlicffi"]
+speedups = ["Brotli ; platform_python_implementation == \"CPython\"", "aiodns ; sys_platform == \"linux\" or sys_platform == \"darwin\"", "brotlicffi ; platform_python_implementation != \"CPython\""]
 
 [[package]]
 name = "aiosignal"
@@ -102,6 +103,7 @@ version = "1.3.1"
 description = "aiosignal: a list of registered asynchronous callbacks"
 optional = false
 python-versions = ">=3.7"
+groups = ["main"]
 files = [
     {file = "aiosignal-1.3.1-py3-none-any.whl", hash = "sha256:f8376fb07dd1e86a584e4fcdec80b36b7f81aac666ebc724e2c090300dd83b17"},
     {file = "aiosignal-1.3.1.tar.gz", hash = "sha256:54cd96e15e1649b75d6c87526a6ff0b6c1b0dd3459f43d9ca11d48c339b68cfc"},
@@ -116,6 +118,7 @@ version = "3.7.0"
 description = "High level compatibility layer for multiple asynchronous event loop implementations"
 optional = false
 python-versions = ">=3.7"
+groups = ["dev"]
 files = [
     {file = "anyio-3.7.0-py3-none-any.whl", hash = "sha256:eddca883c4175f14df8aedce21054bfca3adb70ffe76a9f607aef9d7fa2ea7f0"},
     {file = "anyio-3.7.0.tar.gz", hash = "sha256:275d9973793619a5374e1c89a4f4ad3f4b0a5510a2b5b939444bee8f4c4d37ce"},
@@ -128,7 +131,7 @@ sniffio = ">=1.1"
 
 [package.extras]
 doc = ["Sphinx (>=6.1.0)", "packaging", "sphinx-autodoc-typehints (>=1.2.0)", "sphinx-rtd-theme", "sphinxcontrib-jquery"]
-test = ["anyio[trio]", "coverage[toml] (>=4.5)", "hypothesis (>=4.0)", "mock (>=4)", "psutil (>=5.9)", "pytest (>=7.0)", "pytest-mock (>=3.6.1)", "trustme", "uvloop (>=0.17)"]
+test = ["anyio[trio]", "coverage[toml] (>=4.5)", "hypothesis (>=4.0)", "mock (>=4) ; python_version < \"3.8\"", "psutil (>=5.9)", "pytest (>=7.0)", "pytest-mock (>=3.6.1)", "trustme", "uvloop (>=0.17) ; python_version < \"3.12\" and platform_python_implementation == \"CPython\" and platform_system != \"Windows\""]
 trio = ["trio (<0.22)"]
 
 [[package]]
@@ -137,6 +140,8 @@ version = "4.0.2"
 description = "Timeout context manager for asyncio programs"
 optional = false
 python-versions = ">=3.6"
+groups = ["main"]
+markers = "python_version < \"3.11\""
 files = [
     {file = "async-timeout-4.0.2.tar.gz", hash = "sha256:2163e1640ddb52b7a8c80d0a67a08587e5d245cc9c553a74a847056bc2976b15"},
     {file = "async_timeout-4.0.2-py3-none-any.whl", hash = "sha256:8ca1e4fcf50d07413d66d1a5e416e42cfdf5851c981d679a09851a6853383b3c"},
@@ -148,6 +153,7 @@ version = "23.1.0"
 description = "Classes Without Boilerplate"
 optional = false
 python-versions = ">=3.7"
+groups = ["main"]
 files = [
     {file = "attrs-23.1.0-py3-none-any.whl", hash = "sha256:1f28b4522cdc2fb4256ac1a020c78acf9cba2c6b461ccd2c126f3aa8e8335d04"},
     {file = "attrs-23.1.0.tar.gz", hash = "sha256:6279836d581513a26f1bf235f9acd333bc9115683f14f7e8fae46c98fc50e015"},
@@ -158,7 +164,7 @@ cov = ["attrs[tests]", "coverage[toml] (>=5.3)"]
 dev = ["attrs[docs,tests]", "pre-commit"]
 docs = ["furo", "myst-parser", "sphinx", "sphinx-notfound-page", "sphinxcontrib-towncrier", "towncrier", "zope-interface"]
 tests = ["attrs[tests-no-zope]", "zope-interface"]
-tests-no-zope = ["cloudpickle", "hypothesis", "mypy (>=1.1.1)", "pympler", "pytest (>=4.3.0)", "pytest-mypy-plugins", "pytest-xdist[psutil]"]
+tests-no-zope = ["cloudpickle ; platform_python_implementation == \"CPython\"", "hypothesis", "mypy (>=1.1.1) ; platform_python_implementation == \"CPython\"", "pympler", "pytest (>=4.3.0)", "pytest-mypy-plugins ; platform_python_implementation == \"CPython\" and python_version < \"3.11\"", "pytest-xdist[psutil]"]
 
 [[package]]
 name = "bidict"
@@ -166,6 +172,7 @@ version = "0.22.1"
 description = "The bidirectional mapping library for Python."
 optional = false
 python-versions = ">=3.7"
+groups = ["main"]
 files = [
     {file = "bidict-0.22.1-py3-none-any.whl", hash = "sha256:6ef212238eb884b664f28da76f33f1d28b260f665fc737b413b287d5487d1e7b"},
     {file = "bidict-0.22.1.tar.gz", hash = "sha256:1e0f7f74e4860e6d0943a05d4134c63a2fad86f3d4732fb265bd79e4e856d81d"},
@@ -182,6 +189,7 @@ version = "23.3.0"
 description = "The uncompromising code formatter."
 optional = false
 python-versions = ">=3.7"
+groups = ["main"]
 files = [
     {file = "black-23.3.0-cp310-cp310-macosx_10_16_arm64.whl", hash = "sha256:0945e13506be58bf7db93ee5853243eb368ace1c08a24c65ce108986eac65915"},
     {file = "black-23.3.0-cp310-cp310-macosx_10_16_universal2.whl", hash = "sha256:67de8d0c209eb5b330cce2469503de11bca4085880d62f1628bd9972cc3366b9"},
@@ -231,6 +239,7 @@ version = "3.1.0"
 description = "The Real First Universal Charset Detector. Open, modern and actively maintained alternative to Chardet."
 optional = false
 python-versions = ">=3.7.0"
+groups = ["main"]
 files = [
     {file = "charset-normalizer-3.1.0.tar.gz", hash = "sha256:34e0a2f9c370eb95597aae63bf85eb5e96826d81e3dcf88b8886012906f509b5"},
     {file = "charset_normalizer-3.1.0-cp310-cp310-macosx_10_9_universal2.whl", hash = "sha256:e0ac8959c929593fee38da1c2b64ee9778733cdf03c482c9ff1d508b6b593b2b"},
@@ -315,6 +324,7 @@ version = "8.1.3"
 description = "Composable command line interface toolkit"
 optional = false
 python-versions = ">=3.7"
+groups = ["main", "dev"]
 files = [
     {file = "click-8.1.3-py3-none-any.whl", hash = "sha256:bb4d8133cb15a609f44e8213d9b391b0809795062913b383c62be0ee95b1db48"},
     {file = "click-8.1.3.tar.gz", hash = "sha256:7682dc8afb30297001674575ea00d1814d808d6a36af415a82bd481d37ba7b8e"},
@@ -329,6 +339,8 @@ version = "0.4.6"
 description = "Cross-platform colored terminal text."
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,>=2.7"
+groups = ["main", "dev"]
+markers = "platform_system == \"Windows\" or sys_platform == \"win32\""
 files = [
     {file = "colorama-0.4.6-py2.py3-none-any.whl", hash = "sha256:4f1d9991f5acc0ca119f9d443620b77f9d6b33703e51011c16baf57afb285fc6"},
     {file = "colorama-0.4.6.tar.gz", hash = "sha256:08695f5cb7ed6e0531a20572697297273c47b8cae5a63ffc6d6ed5c201be6e44"},
@@ -340,6 +352,8 @@ version = "1.1.1"
 description = "Backport of PEP 654 (exception groups)"
 optional = false
 python-versions = ">=3.7"
+groups = ["main", "dev"]
+markers = "python_version < \"3.11\""
 files = [
     {file = "exceptiongroup-1.1.1-py3-none-any.whl", hash = "sha256:232c37c63e4f682982c8b6459f33a8981039e5fb8756b2074364e5055c498c9e"},
     {file = "exceptiongroup-1.1.1.tar.gz", hash = "sha256:d484c3090ba2889ae2928419117447a14daf3c1231d5e30d0aae34f354f01785"},
@@ -354,6 +368,7 @@ version = "6.0.0"
 description = "the modular source code checker: pep8 pyflakes and co"
 optional = false
 python-versions = ">=3.8.1"
+groups = ["main"]
 files = [
     {file = "flake8-6.0.0-py2.py3-none-any.whl", hash = "sha256:3833794e27ff64ea4e9cf5d410082a8b97ff1a06c16aa3d2027339cd0f1195c7"},
     {file = "flake8-6.0.0.tar.gz", hash = "sha256:c61007e76655af75e6785a931f452915b371dc48f56efd765247c8fe68f2b181"},
@@ -370,6 +385,7 @@ version = "1.3.3"
 description = "A list-like structure which implements collections.abc.MutableSequence"
 optional = false
 python-versions = ">=3.7"
+groups = ["main"]
 files = [
     {file = "frozenlist-1.3.3-cp310-cp310-macosx_10_9_universal2.whl", hash = "sha256:ff8bf625fe85e119553b5383ba0fb6aa3d0ec2ae980295aaefa552374926b3f4"},
     {file = "frozenlist-1.3.3-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:dfbac4c2dfcc082fcf8d942d1e49b6aa0766c19d3358bd86e2000bf0fa4a9cf0"},
@@ -453,6 +469,7 @@ version = "0.14.0"
 description = "A pure-Python, bring-your-own-I/O implementation of HTTP/1.1"
 optional = false
 python-versions = ">=3.7"
+groups = ["dev"]
 files = [
     {file = "h11-0.14.0-py3-none-any.whl", hash = "sha256:e3fe4ac4b851c468cc8363d500db52c2ead036020723024a109d37346efaa761"},
     {file = "h11-0.14.0.tar.gz", hash = "sha256:8f19fbbe99e72420ff35c00b27a34cb9937e902a8b810e2c88300c6f0a3b699d"},
@@ -464,6 +481,7 @@ version = "0.5.0"
 description = "A collection of framework independent HTTP protocol utils."
 optional = false
 python-versions = ">=3.5.0"
+groups = ["dev"]
 files = [
     {file = "httptools-0.5.0-cp310-cp310-macosx_10_9_universal2.whl", hash = "sha256:8f470c79061599a126d74385623ff4744c4e0f4a0997a353a44923c0b561ee51"},
     {file = "httptools-0.5.0-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:e90491a4d77d0cb82e0e7a9cb35d86284c677402e4ce7ba6b448ccc7325c5421"},
@@ -517,6 +535,7 @@ version = "3.4"
 description = "Internationalized Domain Names in Applications (IDNA)"
 optional = false
 python-versions = ">=3.5"
+groups = ["main", "dev"]
 files = [
     {file = "idna-3.4-py3-none-any.whl", hash = "sha256:90b77e79eaa3eba6de819a0c442c0b4ceefc341a7a2ab77d7562bf49f425c5c2"},
     {file = "idna-3.4.tar.gz", hash = "sha256:814f528e8dead7d329833b91c5faa87d60bf71824cd12a7530b5526063d02cb4"},
@@ -528,6 +547,7 @@ version = "2.0.0"
 description = "brain-dead simple config-ini parsing"
 optional = false
 python-versions = ">=3.7"
+groups = ["main"]
 files = [
     {file = "iniconfig-2.0.0-py3-none-any.whl", hash = "sha256:b6a85871a79d2e3b22d2d1b94ac2824226a63c6b741c88f7ae975f18b6778374"},
     {file = "iniconfig-2.0.0.tar.gz", hash = "sha256:2d91e135bf72d31a410b17c16da610a82cb55f6b0477d1a902134b24a455b8b3"},
@@ -539,6 +559,7 @@ version = "5.3.0"
 description = "ITK is an open-source toolkit for multidimensional image analysis"
 optional = false
 python-versions = "*"
+groups = ["main"]
 files = [
     {file = "itk-5.3.0-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:f92ec860173c82eb458764b4b5b771783b690c3aa3a01d15c6f3d008fc2bb493"},
     {file = "itk-5.3.0-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:90b21c6f53027302bf74b411a062a4161d7a3d92ebbdac99857d7c23d55a2034"},
@@ -585,6 +606,7 @@ version = "5.3.0"
 description = "ITK is an open-source toolkit for multidimensional image analysis"
 optional = false
 python-versions = "*"
+groups = ["main"]
 files = [
     {file = "itk_core-5.3.0-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:15fd888c5338a0d630ae5ceaa90d0244d4e2040baf08279bb6db284f2774b77c"},
     {file = "itk_core-5.3.0-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:4b8bb2df8697c3706b12adf4d79dea0be3dab73b8bd200c14a970f1ea6e52bb7"},
@@ -625,6 +647,7 @@ version = "5.3.0"
 description = "ITK is an open-source toolkit for multidimensional image analysis"
 optional = false
 python-versions = "*"
+groups = ["main"]
 files = [
     {file = "itk_filtering-5.3.0-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:235add39e26b69c5328fbd130c0767ffc93a2bdef7d7dd95e5d072d9e9596c36"},
     {file = "itk_filtering-5.3.0-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:f52cdc3ab57f038d05ece473036b422f24d6c3cf1fb5bd29d16485d80ece088f"},
@@ -665,6 +688,7 @@ version = "5.3.0"
 description = "ITK is an open-source toolkit for multidimensional image analysis"
 optional = false
 python-versions = "*"
+groups = ["main"]
 files = [
     {file = "itk_io-5.3.0-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:bc3fc771ccfc136ce3aed9e80d29c90e83128c150087309a59b9e0a936bd699e"},
     {file = "itk_io-5.3.0-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:bc279b0f7c87002a9e7ac9d7fbd8fcbf3ecc1378b15b738086bb3fb47c23e2dd"},
@@ -705,6 +729,7 @@ version = "5.3.0"
 description = "ITK is an open-source toolkit for multidimensional image analysis"
 optional = false
 python-versions = "*"
+groups = ["main"]
 files = [
     {file = "itk_numerics-5.3.0-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:776a75b0bb67dbf7be6a1281295d942d3835d7fba7e19d13d22de76048712b19"},
     {file = "itk_numerics-5.3.0-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:1fbbff8a4d31d01e33a049bb36fcc64f9919a2549a1ef2ad130c88c33821e434"},
@@ -745,6 +770,7 @@ version = "5.3.0"
 description = "ITK is an open-source toolkit for multidimensional image analysis"
 optional = false
 python-versions = "*"
+groups = ["main"]
 files = [
     {file = "itk_registration-5.3.0-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:80a9c766d2fb6589e32f735e564be5d74fd2d08bc03338645f4520028d63388a"},
     {file = "itk_registration-5.3.0-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:d9afc65d6ce05cfb7f10d4ea26544988f2fc29839ecc5daee8c5eaf9ab2e7b86"},
@@ -785,6 +811,7 @@ version = "5.3.0"
 description = "ITK is an open-source toolkit for multidimensional image analysis"
 optional = false
 python-versions = "*"
+groups = ["main"]
 files = [
     {file = "itk_segmentation-5.3.0-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:874f420ccce41a1123d2340b3712501cf50c4872eecf67e92fb4783da07be823"},
     {file = "itk_segmentation-5.3.0-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:85f763055a33cd1c9e8f7142d5565c46ff4e72e884552cbca9dc74a3411197d6"},
@@ -825,6 +852,7 @@ version = "0.7.0"
 description = "McCabe checker, plugin for flake8"
 optional = false
 python-versions = ">=3.6"
+groups = ["main"]
 files = [
     {file = "mccabe-0.7.0-py2.py3-none-any.whl", hash = "sha256:6c2d30ab6be0e4a46919781807b4f0d834ebdd6c6e3dca0bda5a15f863427b6e"},
     {file = "mccabe-0.7.0.tar.gz", hash = "sha256:348e0240c33b60bbdf4e523192ef919f28cb2c3d7d5c7794f74009290f236325"},
@@ -836,6 +864,7 @@ version = "6.0.4"
 description = "multidict implementation"
 optional = false
 python-versions = ">=3.7"
+groups = ["main"]
 files = [
     {file = "multidict-6.0.4-cp310-cp310-macosx_10_9_universal2.whl", hash = "sha256:0b1a97283e0c85772d613878028fec909f003993e1007eafa715b24b377cb9b8"},
     {file = "multidict-6.0.4-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:eeb6dcc05e911516ae3d1f207d4b0520d07f54484c49dfc294d6e7d63b734171"},
@@ -919,6 +948,7 @@ version = "1.0.0"
 description = "Type system extensions for programs checked with the mypy type checker."
 optional = false
 python-versions = ">=3.5"
+groups = ["main"]
 files = [
     {file = "mypy_extensions-1.0.0-py3-none-any.whl", hash = "sha256:4392f6c0eb8a5668a69e23d168ffa70f0be9ccfd32b5cc2d26a34ae5b844552d"},
     {file = "mypy_extensions-1.0.0.tar.gz", hash = "sha256:75dbf8955dc00442a438fc4d0666508a9a97b6bd41aa2f0ffe9d2f2725af0782"},
@@ -930,6 +960,7 @@ version = "1.24.3"
 description = "Fundamental package for array computing in Python"
 optional = false
 python-versions = ">=3.8"
+groups = ["main"]
 files = [
     {file = "numpy-1.24.3-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:3c1104d3c036fb81ab923f507536daedc718d0ad5a8707c6061cdfd6d184e570"},
     {file = "numpy-1.24.3-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:202de8f38fc4a45a3eea4b63e2f376e5f2dc64ef0fa692838e31a808520efaf7"},
@@ -967,6 +998,7 @@ version = "23.1"
 description = "Core utilities for Python packages"
 optional = false
 python-versions = ">=3.7"
+groups = ["main"]
 files = [
     {file = "packaging-23.1-py3-none-any.whl", hash = "sha256:994793af429502c4ea2ebf6bf664629d07c1a9fe974af92966e4b8d2df7edc61"},
     {file = "packaging-23.1.tar.gz", hash = "sha256:a392980d2b6cffa644431898be54b0045151319d1e7ec34f0cfed48767dd334f"},
@@ -978,6 +1010,7 @@ version = "0.11.1"
 description = "Utility library for gitignore style pattern matching of file paths."
 optional = false
 python-versions = ">=3.7"
+groups = ["main"]
 files = [
     {file = "pathspec-0.11.1-py3-none-any.whl", hash = "sha256:d8af70af76652554bd134c22b3e8a1cc46ed7d91edcdd721ef1a0c51a84a5293"},
     {file = "pathspec-0.11.1.tar.gz", hash = "sha256:2798de800fa92780e33acca925945e9a19a133b715067cf165b8866c15a31687"},
@@ -989,6 +1022,7 @@ version = "3.5.3"
 description = "A small Python package for determining appropriate platform-specific dirs, e.g. a \"user data dir\"."
 optional = false
 python-versions = ">=3.7"
+groups = ["main"]
 files = [
     {file = "platformdirs-3.5.3-py3-none-any.whl", hash = "sha256:0ade98a4895e87dc51d47151f7d2ec290365a585151d97b4d8d6312ed6132fed"},
     {file = "platformdirs-3.5.3.tar.gz", hash = "sha256:e48fabd87db8f3a7df7150a4a5ea22c546ee8bc39bc2473244730d4b56d2cc4e"},
@@ -1004,6 +1038,7 @@ version = "1.0.0"
 description = "plugin and hook calling mechanisms for python"
 optional = false
 python-versions = ">=3.6"
+groups = ["main"]
 files = [
     {file = "pluggy-1.0.0-py2.py3-none-any.whl", hash = "sha256:74134bbf457f031a36d68416e1509f34bd5ccc019f0bcc952c7b909d06b37bd3"},
     {file = "pluggy-1.0.0.tar.gz", hash = "sha256:4224373bacce55f955a878bf9cfa763c1e360858e330072059e10bad68531159"},
@@ -1019,6 +1054,7 @@ version = "2.10.0"
 description = "Python style guide checker"
 optional = false
 python-versions = ">=3.6"
+groups = ["main"]
 files = [
     {file = "pycodestyle-2.10.0-py2.py3-none-any.whl", hash = "sha256:8a4eaf0d0495c7395bdab3589ac2db602797d76207242c17d470186815706610"},
     {file = "pycodestyle-2.10.0.tar.gz", hash = "sha256:347187bdb476329d98f695c213d7295a846d1152ff4fe9bacb8a9590b8ee7053"},
@@ -1030,6 +1066,7 @@ version = "3.0.1"
 description = "passive checker of Python programs"
 optional = false
 python-versions = ">=3.6"
+groups = ["main"]
 files = [
     {file = "pyflakes-3.0.1-py2.py3-none-any.whl", hash = "sha256:ec55bf7fe21fff7f1ad2f7da62363d749e2a470500eab1b555334b67aa1ef8cf"},
     {file = "pyflakes-3.0.1.tar.gz", hash = "sha256:ec8b276a6b60bd80defed25add7e439881c19e64850afd9b346283d4165fd0fd"},
@@ -1041,6 +1078,7 @@ version = "7.3.2"
 description = "pytest: simple powerful testing with Python"
 optional = false
 python-versions = ">=3.7"
+groups = ["main"]
 files = [
     {file = "pytest-7.3.2-py3-none-any.whl", hash = "sha256:cdcbd012c9312258922f8cd3f1b62a6580fdced17db6014896053d47cddf9295"},
     {file = "pytest-7.3.2.tar.gz", hash = "sha256:ee990a3cc55ba808b80795a79944756f315c67c12b56abd3ac993a7b8c17030b"},
@@ -1063,6 +1101,7 @@ version = "1.0.0"
 description = "Read key-value pairs from a .env file and set them as environment variables"
 optional = false
 python-versions = ">=3.8"
+groups = ["dev"]
 files = [
     {file = "python-dotenv-1.0.0.tar.gz", hash = "sha256:a8df96034aae6d2d50a4ebe8216326c61c3eb64836776504fcca410e5937a3ba"},
     {file = "python_dotenv-1.0.0-py3-none-any.whl", hash = "sha256:f5971a9226b701070a4bf2c38c89e5a3f0d64de8debda981d1db98583009122a"},
@@ -1077,6 +1116,7 @@ version = "4.4.1"
 description = "Engine.IO server and client for Python"
 optional = false
 python-versions = ">=3.6"
+groups = ["main"]
 files = [
     {file = "python-engineio-4.4.1.tar.gz", hash = "sha256:eb3663ecb300195926b526386f712dff84cd092c818fb7b62eeeda9160120c29"},
     {file = "python_engineio-4.4.1-py3-none-any.whl", hash = "sha256:28ab67f94cba2e5f598cbb04428138fd6bb8b06d3478c939412da445f24f0773"},
@@ -1092,6 +1132,7 @@ version = "5.8.0"
 description = "Socket.IO server and client for Python"
 optional = false
 python-versions = ">=3.6"
+groups = ["main"]
 files = [
     {file = "python-socketio-5.8.0.tar.gz", hash = "sha256:e714f4dddfaaa0cb0e37a1e2deef2bb60590a5b9fea9c343dd8ca5e688416fd9"},
     {file = "python_socketio-5.8.0-py3-none-any.whl", hash = "sha256:7adb8867aac1c2929b9c1429f1c02e12ca4c36b67c807967393e367dfbb01441"},
@@ -1111,6 +1152,7 @@ version = "6.0"
 description = "YAML parser and emitter for Python"
 optional = false
 python-versions = ">=3.6"
+groups = ["dev"]
 files = [
     {file = "PyYAML-6.0-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:d4db7c7aef085872ef65a8fd7d6d09a14ae91f691dec3e87ee5ee0539d516f53"},
     {file = "PyYAML-6.0-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:9df7ed3b3d2e0ecfe09e14741b857df43adb5a3ddadc919a2d94fbdf78fea53c"},
@@ -1154,12 +1196,30 @@ files = [
     {file = "PyYAML-6.0.tar.gz", hash = "sha256:68fb519c14306fec9720a2a5b45bc9f0c8d1b9c72adf45c37baedfcd949c35a2"},
 ]
 
+[[package]]
+name = "setuptools"
+version = "68.2.2"
+description = "Easily download, build, install, upgrade, and uninstall Python packages"
+optional = false
+python-versions = ">=3.8"
+groups = ["main"]
+files = [
+    {file = "setuptools-68.2.2-py3-none-any.whl", hash = "sha256:b454a35605876da60632df1a60f736524eb73cc47bbc9f3f1ef1b644de74fd2a"},
+    {file = "setuptools-68.2.2.tar.gz", hash = "sha256:4ac1475276d2f1c48684874089fefcd83bd7162ddaafb81fac866ba0db282a87"},
+]
+
+[package.extras]
+docs = ["furo", "jaraco.packaging (>=9.3)", "jaraco.tidelift (>=1.4)", "pygments-github-lexers (==0.0.5)", "rst.linker (>=1.9)", "sphinx (>=3.5)", "sphinx-favicon", "sphinx-hoverxref (<2)", "sphinx-inline-tabs", "sphinx-lint", "sphinx-notfound-page (>=1,<2)", "sphinx-reredirects", "sphinxcontrib-towncrier"]
+testing = ["build[virtualenv]", "filelock (>=3.4.0)", "flake8-2020", "ini2toml[lite] (>=0.9)", "jaraco.develop (>=7.21) ; python_version >= \"3.9\" and sys_platform != \"cygwin\"", "jaraco.envs (>=2.2)", "jaraco.path (>=3.2.0)", "pip (>=19.1)", "pytest (>=6)", "pytest-black (>=0.3.7) ; platform_python_implementation != \"PyPy\"", "pytest-checkdocs (>=2.4)", "pytest-cov ; platform_python_implementation != \"PyPy\"", "pytest-enabler (>=2.2)", "pytest-mypy (>=0.9.1) ; platform_python_implementation != \"PyPy\"", "pytest-perf ; sys_platform != \"cygwin\"", "pytest-ruff ; sys_platform != \"cygwin\"", "pytest-timeout", "pytest-xdist", "tomli-w (>=1.0.0)", "virtualenv (>=13.0.0)", "wheel"]
+testing-integration = ["build[virtualenv] (>=1.0.3)", "filelock (>=3.4.0)", "jaraco.envs (>=2.2)", "jaraco.path (>=3.2.0)", "packaging (>=23.1)", "pytest", "pytest-enabler", "pytest-xdist", "tomli", "virtualenv (>=13.0.0)", "wheel"]
+
 [[package]]
 name = "sniffio"
 version = "1.3.0"
 description = "Sniff out which async library your code is running under"
 optional = false
 python-versions = ">=3.7"
+groups = ["dev"]
 files = [
     {file = "sniffio-1.3.0-py3-none-any.whl", hash = "sha256:eecefdce1e5bbfb7ad2eeaabf7c1eeb404d7757c379bd1f7e5cce9d8bf425384"},
     {file = "sniffio-1.3.0.tar.gz", hash = "sha256:e60305c5e5d314f5389259b7f22aaa33d8f7dee49763119234af3755c55b9101"},
@@ -1171,6 +1231,8 @@ version = "2.0.1"
 description = "A lil' TOML parser"
 optional = false
 python-versions = ">=3.7"
+groups = ["main"]
+markers = "python_version < \"3.11\""
 files = [
     {file = "tomli-2.0.1-py3-none-any.whl", hash = "sha256:939de3e7a6161af0c887ef91b7d41a53e7c5a1ca976325f429cb46ea9bc30ecc"},
     {file = "tomli-2.0.1.tar.gz", hash = "sha256:de526c12914f0c550d15924c62d72abc48d6fe7364aa87328337a31007fe8a4f"},
@@ -1182,6 +1244,8 @@ version = "4.6.3"
 description = "Backported and Experimental Type Hints for Python 3.7+"
 optional = false
 python-versions = ">=3.7"
+groups = ["main"]
+markers = "python_version < \"3.10\""
 files = [
     {file = "typing_extensions-4.6.3-py3-none-any.whl", hash = "sha256:88a4153d8505aabbb4e13aacb7c486c2b4a33ca3b3f807914a9b4c844c471c26"},
     {file = "typing_extensions-4.6.3.tar.gz", hash = "sha256:d91d5919357fe7f681a9f2b5b4cb2a5f1ef0a1e9f59c4d8ff0d3491e05c0ffd5"},
@@ -1193,6 +1257,7 @@ version = "0.22.0"
 description = "The lightning-fast ASGI server."
 optional = false
 python-versions = ">=3.7"
+groups = ["dev"]
 files = [
     {file = "uvicorn-0.22.0-py3-none-any.whl", hash = "sha256:e9434d3bbf05f310e762147f769c9f21235ee118ba2d2bf1155a7196448bd996"},
     {file = "uvicorn-0.22.0.tar.gz", hash = "sha256:79277ae03db57ce7d9aa0567830bbb51d7a612f54d6e1e3e92da3ef24c2c8ed8"},
@@ -1205,12 +1270,12 @@ h11 = ">=0.8"
 httptools = {version = ">=0.5.0", optional = true, markers = "extra == \"standard\""}
 python-dotenv = {version = ">=0.13", optional = true, markers = "extra == \"standard\""}
 pyyaml = {version = ">=5.1", optional = true, markers = "extra == \"standard\""}
-uvloop = {version = ">=0.14.0,<0.15.0 || >0.15.0,<0.15.1 || >0.15.1", optional = true, markers = "(sys_platform != \"win32\" and sys_platform != \"cygwin\") and platform_python_implementation != \"PyPy\" and extra == \"standard\""}
+uvloop = {version = ">=0.14.0,<0.15.0 || >0.15.0,<0.15.1 || >0.15.1", optional = true, markers = "sys_platform != \"win32\" and sys_platform != \"cygwin\" and platform_python_implementation != \"PyPy\" and extra == \"standard\""}
 watchfiles = {version = ">=0.13", optional = true, markers = "extra == \"standard\""}
 websockets = {version = ">=10.4", optional = true, markers = "extra == \"standard\""}
 
 [package.extras]
-standard = ["colorama (>=0.4)", "httptools (>=0.5.0)", "python-dotenv (>=0.13)", "pyyaml (>=5.1)", "uvloop (>=0.14.0,!=0.15.0,!=0.15.1)", "watchfiles (>=0.13)", "websockets (>=10.4)"]
+standard = ["colorama (>=0.4) ; sys_platform == \"win32\"", "httptools (>=0.5.0)", "python-dotenv (>=0.13)", "pyyaml (>=5.1)", "uvloop (>=0.14.0,!=0.15.0,!=0.15.1) ; sys_platform != \"win32\" and sys_platform != \"cygwin\" and platform_python_implementation != \"PyPy\"", "watchfiles (>=0.13)", "websockets (>=10.4)"]
 
 [[package]]
 name = "uvloop"
@@ -1218,6 +1283,8 @@ version = "0.17.0"
 description = "Fast implementation of asyncio event loop on top of libuv"
 optional = false
 python-versions = ">=3.7"
+groups = ["dev"]
+markers = "sys_platform != \"win32\" and sys_platform != \"cygwin\" and platform_python_implementation != \"PyPy\""
 files = [
     {file = "uvloop-0.17.0-cp310-cp310-macosx_10_9_universal2.whl", hash = "sha256:ce9f61938d7155f79d3cb2ffa663147d4a76d16e08f65e2c66b77bd41b356718"},
     {file = "uvloop-0.17.0-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:68532f4349fd3900b839f588972b3392ee56042e440dd5873dfbbcd2cc67617c"},
@@ -1252,9 +1319,9 @@ files = [
 ]
 
 [package.extras]
-dev = ["Cython (>=0.29.32,<0.30.0)", "Sphinx (>=4.1.2,<4.2.0)", "aiohttp", "flake8 (>=3.9.2,<3.10.0)", "mypy (>=0.800)", "psutil", "pyOpenSSL (>=22.0.0,<22.1.0)", "pycodestyle (>=2.7.0,<2.8.0)", "pytest (>=3.6.0)", "sphinx-rtd-theme (>=0.5.2,<0.6.0)", "sphinxcontrib-asyncio (>=0.3.0,<0.4.0)"]
+dev = ["Cython (>=0.29.32,<0.30.0)", "Sphinx (>=4.1.2,<4.2.0)", "aiohttp ; python_version < \"3.11\"", "flake8 (>=3.9.2,<3.10.0)", "mypy (>=0.800)", "psutil", "pyOpenSSL (>=22.0.0,<22.1.0)", "pycodestyle (>=2.7.0,<2.8.0)", "pytest (>=3.6.0)", "sphinx-rtd-theme (>=0.5.2,<0.6.0)", "sphinxcontrib-asyncio (>=0.3.0,<0.4.0)"]
 docs = ["Sphinx (>=4.1.2,<4.2.0)", "sphinx-rtd-theme (>=0.5.2,<0.6.0)", "sphinxcontrib-asyncio (>=0.3.0,<0.4.0)"]
-test = ["Cython (>=0.29.32,<0.30.0)", "aiohttp", "flake8 (>=3.9.2,<3.10.0)", "mypy (>=0.800)", "psutil", "pyOpenSSL (>=22.0.0,<22.1.0)", "pycodestyle (>=2.7.0,<2.8.0)"]
+test = ["Cython (>=0.29.32,<0.30.0)", "aiohttp ; python_version < \"3.11\"", "flake8 (>=3.9.2,<3.10.0)", "mypy (>=0.800)", "psutil", "pyOpenSSL (>=22.0.0,<22.1.0)", "pycodestyle (>=2.7.0,<2.8.0)"]
 
 [[package]]
 name = "watchfiles"
@@ -1262,6 +1329,7 @@ version = "0.19.0"
 description = "Simple, modern and high performance file watching and code reload in python."
 optional = false
 python-versions = ">=3.7"
+groups = ["dev"]
 files = [
     {file = "watchfiles-0.19.0-cp37-abi3-macosx_10_7_x86_64.whl", hash = "sha256:91633e64712df3051ca454ca7d1b976baf842d7a3640b87622b323c55f3345e7"},
     {file = "watchfiles-0.19.0-cp37-abi3-macosx_11_0_arm64.whl", hash = "sha256:b6577b8c6c8701ba8642ea9335a129836347894b666dd1ec2226830e263909d3"},
@@ -1296,6 +1364,7 @@ version = "11.0.3"
 description = "An implementation of the WebSocket Protocol (RFC 6455 & 7692)"
 optional = false
 python-versions = ">=3.7"
+groups = ["dev"]
 files = [
     {file = "websockets-11.0.3-cp310-cp310-macosx_10_9_universal2.whl", hash = "sha256:3ccc8a0c387629aec40f2fc9fdcb4b9d5431954f934da3eaf16cdc94f67dbfac"},
     {file = "websockets-11.0.3-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:d67ac60a307f760c6e65dad586f556dde58e683fab03323221a4e530ead6f74d"},
@@ -1375,6 +1444,7 @@ version = "1.9.2"
 description = "Yet another URL library"
 optional = false
 python-versions = ">=3.7"
+groups = ["main"]
 files = [
     {file = "yarl-1.9.2-cp310-cp310-macosx_10_9_universal2.whl", hash = "sha256:8c2ad583743d16ddbdf6bb14b5cd76bf43b0d0006e918809d5d4ddf7bde8dd82"},
     {file = "yarl-1.9.2-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:82aa6264b36c50acfb2424ad5ca537a2060ab6de158a5bd2a72a032cc75b9eb8"},
@@ -1457,6 +1527,6 @@ idna = ">=2.0"
 multidict = ">=4.0"
 
 [metadata]
-lock-version = "2.0"
+lock-version = "2.1"
 python-versions = "^3.8.1"
-content-hash = "d8d247ce731060f2b40003013d35471122c98667453b184631dc13d08830ba4b"
+content-hash = "f8c09b696cc3be5826d871d1c3b9f1d46ae720e5cedbb37a396e455a6bfc87f2"
diff --git a/server/pyproject.toml b/server/pyproject.toml
index 025cc05b1..c936f6396 100644
--- a/server/pyproject.toml
+++ b/server/pyproject.toml
@@ -12,9 +12,10 @@ black = "^23.1.0"
 flake8 = "^6.0.0"
 pytest = "^7.2.1"
 numpy = "^1.24.1"
-aiohttp = "^3.9.2"
+aiohttp = "3.9.2"
 python-socketio = "^5.8.0"
 charset-normalizer = "^3.1.0"
+setuptools = "^68.0.0"
 
 [tool.poetry.dev-dependencies]
 
diff --git a/server/volview_server/__main__.py b/server/volview_server/__main__.py
index 22c2f0005..9a86bb1d7 100644
--- a/server/volview_server/__main__.py
+++ b/server/volview_server/__main__.py
@@ -18,7 +18,7 @@ def parse_args():
         "-H", "--host", default="localhost", help="Hostname for server to listen on"
     )
     parser.add_argument(
-        "-P", "--port", default=4014, help="Port for server to listen on"
+        "-P", "--port", type=int, default=4014, help="Port for server to listen on"
     )
     parser.add_argument(
         "--verbose", default=False, action="store_true", help="Enable verbose logging."
diff --git a/src/store/image-cache.ts b/src/store/image-cache.ts
index 146d2274d..b07d782f4 100644
--- a/src/store/image-cache.ts
+++ b/src/store/image-cache.ts
@@ -107,6 +107,22 @@ export const useImageCacheStore = defineStore('image-cache', () => {
     delete imageLoading[id];
   }
 
+  /**
+   * Updates an existing image's VTK data while maintaining the same ID.
+   */
+  function updateVTKImageData(id: string, newImageData: vtkImageData): void {
+    const progressiveImage = imageById[id];
+    const oldImageData = progressiveImage.vtkImageData.value;
+
+    progressiveImage.vtkImageData.value = newImageData;
+    // trigger texture update
+    newImageData.modified();
+
+    if (oldImageData && oldImageData !== newImageData) {
+      oldImageData.delete();
+    }
+  }
+
   return {
     imageIds,
     imageById,
@@ -117,6 +133,7 @@ export const useImageCacheStore = defineStore('image-cache', () => {
     getImageMetadata,
     addProgressiveImage,
     addVTKImageData,
+    updateVTKImageData,
     removeImage,
   };
 });