diff --git a/.github/workflows/e2e-tests.yml b/.github/workflows/e2e-tests.yml
index 0a3cf10d..81aff037 100644
--- a/.github/workflows/e2e-tests.yml
+++ b/.github/workflows/e2e-tests.yml
@@ -89,7 +89,7 @@ jobs:
           cache: 'npm'
 
       - name: Cache npm dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5
         with:
           path: ~/.npm
           key: npm-${{ hashFiles('package-lock.json') }}
@@ -203,7 +203,7 @@ jobs:
         run: npm ci
 
       - name: Cache Playwright browsers
-        uses: actions/cache@v4
+        uses: actions/cache@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5
         with:
           path: ~/.cache/ms-playwright
           key: playwright-${{ matrix.browser }}-${{ hashFiles('package-lock.json') }}