diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index f5ce5e6df..3a7c278d9 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -51,7 +51,7 @@ jobs:
 
       - name: Cache AWS CLI (Linux)
         id: cache-aws-cli
-        uses: actions/cache@v4
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: aws/
           key: cache-aws-cli
diff --git a/.github/workflows/test-and-release.yaml b/.github/workflows/test-and-release.yaml
index ecb70ee05..d8129f6d1 100644
--- a/.github/workflows/test-and-release.yaml
+++ b/.github/workflows/test-and-release.yaml
@@ -77,7 +77,7 @@ jobs:
 
       - name: Cache Playwright Browsers for Playwright's Version
         id: cache-playwright-browsers
-        uses: actions/cache@v4
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: ~/.cache/ms-playwright
           key: playwright-browsers-${{ env.PLAYWRIGHT_VERSION }}