diff --git a/pyproject.toml b/pyproject.toml
index aa9eaca7..fcdd6d5e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ dependencies = [
   "python-dateutil==2.9.0",
   "webtemplate-dbca==1.9.0",
   "requests==2.34.2",
-  "msal==1.38.0",
+  "msal==1.39.0",
   "whitenoise[brotli]==6.12.0",
   "xlsxwriter==3.2.9",
   "sentry-sdk[django]==2.68.1",
diff --git a/uv.lock b/uv.lock
index b212f7e2..1304b376 100644
--- a/uv.lock
+++ b/uv.lock
@@ -836,7 +836,7 @@ requires-dist = [
     { name = "django-reversion", specifier = "==6.3.0" },
     { name = "django-storages", extras = ["azure"], specifier = "==1.14.6" },
     { name = "gunicorn", extras = ["fast"], specifier = "==26.2.0" },
-    { name = "msal", specifier = "==1.38.0" },
+    { name = "msal", specifier = "==1.39.0" },
     { name = "paramiko", specifier = "==4.0.0" },
     { name = "psycopg", extras = ["binary", "pool"], specifier = "==3.3.5" },
     { name = "python-dateutil", specifier = "==2.9.0" },
@@ -951,16 +951,16 @@ wheels = [
 
 [[package]]
 name = "msal"
-version = "1.38.0"
+version = "1.39.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "cryptography" },
     { name = "pyjwt", extra = ["crypto"] },
     { name = "requests" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/b8/1f/10f9d47a63d3a2e61b2c43e15bee6b95682aab827018f9a1b97a80787e25/msal-1.38.0.tar.gz", hash = "sha256:4f10ff1257bacfd1781f22e85bd2b8d43ad1b490f3b6aafd7906671cadedd464", size = 203411, upload-time = "2026-08-24T10:22:46.053Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/bb/85/747d28986a44b715cc51cf57aa021c8fd94e9614064261ceec77320e8b0b/msal-1.39.0.tar.gz", hash = "sha256:6ab7de335e6d7f5717e2c7e1dbf86e4dda2f6acf3c56773b78dc53ebc6395b5f", size = 205360, upload-time = "2026-09-17T16:07:45.1Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/c4/ca/d768f77a27d81ed0a6884f2458f8613c31c79b2eb95defbeca2273fd0754/msal-1.38.0-py3-none-any.whl", hash = "sha256:765b9b98b6aa380ee8b8f1c75636e08863edaf0a953498955bd668650dde5d49", size = 131057, upload-time = "2026-08-24T10:22:47.485Z" },
+    { url = "https://files.pythonhosted.org/packages/a4/32/178457385925ce301c7b3232bd85665d4df57da39568b62dcfc74031873f/msal-1.39.0-py3-none-any.whl", hash = "sha256:2d2577886906cd7293850dffa2da29119966c213bfc6ec0cecf8bf7621e1ca77", size = 131629, upload-time = "2026-09-17T16:07:46.722Z" },
 ]
 
 [[package]]