diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f29390c..1beaf2e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -64,7 +64,7 @@ jobs:
         # Generate dist-newstyle/cache/plan.json for the cache key.
         cabal build --dry-run
 
-    - uses: actions/cache@v3.3.2
+    - uses: actions/cache@v4
       name: Cache ~/.cabal/store
       with:
         path: ${{ steps.setup-haskell-cabal.outputs.cabal-store }}
@@ -103,7 +103,7 @@ jobs:
       uses: actions/checkout@v4
 
     - name: Cache the Stack root
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: ~/.stack
         key: ${{ runner.os }}-${{ hashFiles('stack.yaml') }}-${{ matrix.cache-bust }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8646377..f51144c 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -90,7 +90,7 @@ jobs:
           cabal freeze
 
       - name: Cache ~/.cabal/store
-        uses: actions/cache@v3.3.2
+        uses: actions/cache@v4
         with:
           path: ${{ steps.setup-haskell-cabal.outputs.cabal-store }}
           key: ${{ runner.os }}-${{ matrix.ghc }}-${{ hashFiles('cabal.project.freeze') }}