diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e902b318a..b121cb04f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -95,7 +95,7 @@ jobs:
         # CodeBuild Lambda-compute runner has no docker, so run the same tool
         # from PyPI via uv instead. uv provides Python on the Amazon Linux image
         # (actions/setup-python ships only Ubuntu builds).
-        uses: astral-sh/setup-uv@07a047e608db84b3d8c06cd9a7c7dcc9c355c18e # v10.3.2
+        uses: astral-sh/setup-uv@68559e99cc807c1eb7e9238fd43a15bba460eec2 # v10.3.3
         with:
           version: "0.12.22"
 
diff --git a/.github/workflows/conformance-tests.yml b/.github/workflows/conformance-tests.yml
index 104057c8e..071ce44a2 100644
--- a/.github/workflows/conformance-tests.yml
+++ b/.github/workflows/conformance-tests.yml
@@ -95,7 +95,7 @@ jobs:
       - name: Setup Python
         # The runner image is Amazon Linux; actions/setup-python only ships Ubuntu
         # builds, so uv provides the Python 3.14 interpreter and activates a venv.
-        uses: astral-sh/setup-uv@07a047e608db84b3d8c06cd9a7c7dcc9c355c18e # v10.3.2
+        uses: astral-sh/setup-uv@68559e99cc807c1eb7e9238fd43a15bba460eec2 # v10.3.3
         with:
           python-version: "3.14"
           activate-environment: true