diff --git a/apps/web/src/lib/ai/bias-detection/python-service/requirements.txt b/apps/web/src/lib/ai/bias-detection/python-service/requirements.txt
index a526a5545..dcb1adf23 100644
--- a/apps/web/src/lib/ai/bias-detection/python-service/requirements.txt
+++ b/apps/web/src/lib/ai/bias-detection/python-service/requirements.txt
@@ -115,7 +115,7 @@ fairlearn==0.13.0
     # via bias-detection-service (pyproject.toml)
 fastapi==0.136.1
     # via bias-detection-service (pyproject.toml)
-filelock==3.29.0
+filelock==4.2.1
     # via
     #   bias-detection-service (pyproject.toml)
     #   datasets
diff --git a/apps/web/src/lib/ai/bias-detection/python-service/uv.lock b/apps/web/src/lib/ai/bias-detection/python-service/uv.lock
index 5d2c072eb..d60a2cd60 100644
--- a/apps/web/src/lib/ai/bias-detection/python-service/uv.lock
+++ b/apps/web/src/lib/ai/bias-detection/python-service/uv.lock
@@ -1,5 +1,5 @@
 version = 1
-revision = 3
+revision = 5
 requires-python = "==3.14.*"
 resolution-markers = [
     "sys_platform == 'win32'",
@@ -881,11 +881,11 @@ wheels = [
 
 [[package]]
 name = "filelock"
-version = "3.32.0"
+version = "4.2.1"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/c0/80/8232b582c4b318b817cf1274ba74976b07b34d35ef439b3eb948f98645a1/filelock-3.32.0.tar.gz", hash = "sha256:7be2ad23a14607ccc71808e68fe30848aeace7058ace17852f68e2a68e310402", size = 213757, upload-time = "2026-07-21T13:17:42.898Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/d5/98/771d8ca889f220d7d7e352addf500666368f0fd081c6080a83767580c6e4/filelock-4.2.1.tar.gz", hash = "sha256:c4c937ccac2a813cee448e662a56366cfb374c0f8702e75f295c412cc1c5d5a3", size = 650997, upload-time = "2026-10-17T16:48:14.435Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/06/79/b4c714bef36bc4ec2beeae1e0c124f0223888cd8c6feb1cdc56038116920/filelock-3.32.0-py3-none-any.whl", hash = "sha256:d396bea984af47333ef05e50eae7eff88c84256de6112aea0ec48a233c064fe3", size = 97732, upload-time = "2026-07-21T13:17:41.55Z" },
+    { url = "https://files.pythonhosted.org/packages/28/00/db89d339bc4ecdc8087fa7b8607ba22ffc27bf96286f340c9620bea428b3/filelock-4.2.1-py3-none-any.whl", hash = "sha256:7be2662e9e826b9bba28afc0f843a123280d799a2ea44bb5d35ccec67905ae44", size = 162455, upload-time = "2026-10-17T16:48:12.937Z" },
 ]
 
 [[package]]