diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index e2e67765..a1a1163d 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -33,7 +33,7 @@ jobs:
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
-      - uses: actions/cache@v1
+      - uses: actions/cache@v4
         env:
           cache-name: cache-artifacts
         with:
diff --git a/.github/workflows/TypedSyntaxCI.yml b/.github/workflows/TypedSyntaxCI.yml
index 21f88bb4..a5eef65b 100644
--- a/.github/workflows/TypedSyntaxCI.yml
+++ b/.github/workflows/TypedSyntaxCI.yml
@@ -28,7 +28,7 @@ jobs:
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
-      - uses: actions/cache@v1
+      - uses: actions/cache@v4
         env:
           cache-name: cache-artifacts
         with: