diff --git a/.github/workflows/build_nix.yml b/.github/workflows/build_nix.yml
index 8dcab5a..f38adb6 100644
--- a/.github/workflows/build_nix.yml
+++ b/.github/workflows/build_nix.yml
@@ -31,7 +31,7 @@ jobs:
       #     authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
 
       - name: Cache cargo
-        uses: actions/cache@v3.3.2
+        uses: actions/cache@v4.0.2
         with:
           path: |
             ~/.cargo-nix/registry/index
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 770257d..2410f71 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -36,7 +36,7 @@ jobs:
           skipPush: ${{ github.actor == 'dependabot[bot]' }}
 
       - name: Cache cargo
-        uses: actions/cache@v3.3.2
+        uses: actions/cache@v4.0.2
         with:
           path: |
             ~/.cargo/registry/index