diff --git a/.github/workflows/autotest.yml b/.github/workflows/autotest.yml
index 80f0206..e268864 100644
--- a/.github/workflows/autotest.yml
+++ b/.github/workflows/autotest.yml
@@ -35,7 +35,11 @@ jobs:
             /usr/local/Cellar/python-markupsafe
             /usr/local/lib/python3.12/site-packages/lxml
             /usr/local/lib/python3.12/site-packages/markupsafe
-          key: tgfx-environment-autotest-20231027
+            /usr/local/bin/clang-format
+            /usr/local/bin/git-clang-format
+            /usr/local/bin/clang-format-diff.py
+            /usr/local/lib/python3.12/site-packages/clang_format
+          key: tgfx-environment-autotest-20231105
           restore-keys: tgfx-environment-autotest-
 
       - name: Get Third-Party Cache
@@ -58,6 +62,7 @@ jobs:
         run: |
           chmod +x codeformat.sh
           ./codeformat.sh
+          pip3 show clang-format
         shell: bash
 
       - name: Run Autotest
@@ -94,7 +99,11 @@ jobs:
             /usr/local/Cellar/python-markupsafe
             /usr/local/lib/python3.12/site-packages/lxml
             /usr/local/lib/python3.12/site-packages/markupsafe
-          key: tgfx-environment-autotest-20231027
+            /usr/local/bin/clang-format
+            /usr/local/bin/git-clang-format
+            /usr/local/bin/clang-format-diff.py
+            /usr/local/lib/python3.12/site-packages/clang_format
+          key: tgfx-environment-autotest-20231105
 
       - name: Save Third-Party Cache
         if: ${{ (github.event_name == 'push') && (steps.third-party-cache.outputs.cache-hit != 'true') }}