diff --git a/pyproject.toml b/pyproject.toml
index 72348f70..b46a9829 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -68,7 +68,7 @@ dependencies = [
     # that cannot be installed anywhere.  6.0.1 installs on 3.12/3.13/3.14;
     # 6.0.3 is the first with a wheel for all three.
     "pyyaml>=6.0.1,<7",
-    "structlog>=24,<26",
+    "structlog>=24,<27",
     "fsspec>=2024.6,<2026",
     "pandas>=3.0.3,<4",
     "pyarrow>=15,<26",
diff --git a/uv.lock b/uv.lock
index e42e0bcb..69efb64c 100644
--- a/uv.lock
+++ b/uv.lock
@@ -2335,7 +2335,7 @@ requires-dist = [
     { name = "sqlalchemy", marker = "extra == 'postgres'", specifier = ">=2,<3" },
     { name = "sqlalchemy", marker = "extra == 'sqlite'", specifier = ">=2,<3" },
     { name = "starlette", specifier = ">=1.0.0,<1.4" },
-    { name = "structlog", specifier = ">=24,<26" },
+    { name = "structlog", specifier = ">=24,<27" },
     { name = "typer", specifier = ">=0.15.4,<0.27" },
     { name = "urllib3", specifier = ">=2.7.0,<3" },
     { name = "uvicorn", extras = ["standard"], specifier = ">=0.30,<0.53" },
@@ -2738,11 +2738,11 @@ wheels = [
 
 [[package]]
 name = "structlog"
-version = "25.5.0"
+version = "26.1.0"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/ef/52/9ba0f43b686e7f3ddfeaa78ac3af750292662284b3661e91ad5494f21dbc/structlog-25.5.0.tar.gz", hash = "sha256:098522a3bebed9153d4570c6d0288abf80a031dfdb2048d59a49e9dc2190fc98", size = 1460830, upload-time = "2025-10-27T08:28:23.028Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/5e/89/b4a0bcfdf4f71a3dea31379f095929613d7e4528a0996bca6aa964cd0dca/structlog-26.1.0.tar.gz", hash = "sha256:f63a716cbd1b1291cf7661de7794b455acfa4c43c5bcf1630e6ad5ddc1adb3b7", size = 1459881, upload-time = "2026-06-06T07:33:39.348Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/a8/45/a132b9074aa18e799b891b91ad72133c98d8042c70f6240e4c5f9dabee2f/structlog-25.5.0-py3-none-any.whl", hash = "sha256:a8453e9b9e636ec59bd9e79bbd4a72f025981b3ba0f5837aebf48f02f37a7f9f", size = 72510, upload-time = "2025-10-27T08:28:21.535Z" },
+    { url = "https://files.pythonhosted.org/packages/a9/18/489c97b834dfff9cf2fc2507cede4bcd4b11e67f84bc462acd1992496f86/structlog-26.1.0-py3-none-any.whl", hash = "sha256:e081a26d6c373e6d201eca24eede26d8ffab07f88f477822e679183428d3d91e", size = 73764, upload-time = "2026-06-06T07:33:38.046Z" },
 ]
 
 [[package]]