diff --git a/.github/workflows/firebase-hosting-merge.yml b/.github/workflows/firebase-hosting-merge.yml
index 266b6ce4..9ea3ba84 100644
--- a/.github/workflows/firebase-hosting-merge.yml
+++ b/.github/workflows/firebase-hosting-merge.yml
@@ -20,7 +20,7 @@ jobs:
           node-version: 24.14.1
       - name: Cache node modules
         id: cache-npm
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         env:
           cache-name: cache-node-modules
         with:
diff --git a/.github/workflows/firebase-hosting-pull-request.yml b/.github/workflows/firebase-hosting-pull-request.yml
index 0b8332fc..688b016a 100644
--- a/.github/workflows/firebase-hosting-pull-request.yml
+++ b/.github/workflows/firebase-hosting-pull-request.yml
@@ -14,7 +14,7 @@ jobs:
           node-version: 24.14.1
       - name: Cache node modules
         id: cache-npm
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         env:
           cache-name: cache-node-modules
         with: