diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 61e067dba..1f4bb0048 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@c18668ad3cf93ea998bef934396af7bb5c839dc7 # v10.2.0
+        uses: astral-sh/setup-uv@1c37ad07a6a961277cf70c0d37d6f313000f5884 # v10.3.0
         with:
           version: "0.12.22"
 
diff --git a/.github/workflows/conformance-tests.yml b/.github/workflows/conformance-tests.yml
index c066bf277..652bea059 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@c18668ad3cf93ea998bef934396af7bb5c839dc7 # v10.2.0
+        uses: astral-sh/setup-uv@1c37ad07a6a961277cf70c0d37d6f313000f5884 # v10.3.0
         with:
           python-version: "3.14"
           activate-environment: true