diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5e83344..ee7effb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -66,7 +66,7 @@ jobs:
           enable-stack: true
           stack-version: latest
 
-      - uses: actions/cache@v4
+      - uses: actions/cache@v6
         with:
           path: ~/.stack
           key: stack-${{ runner.os }}-${{ matrix.ghc }}-${{ hashFiles(matrix.stack-yaml, format('{0}.lock', matrix.stack-yaml), 'package.yaml') }}