diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index efdbb2e5..615a343a 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v6
-    - uses: actions/cache@v4
+    - uses: actions/cache@v5
       with:
         key: ${{ github.ref }}
         path: .cache
diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index 414590f2..571b6342 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -30,7 +30,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v6
-    - uses: actions/cache@v4
+    - uses: actions/cache@v5
       with:
         key: ${{ github.ref }}
         path: .cache