diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 42144fb..d1bb9b4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,7 +33,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
 
     - name: Cache pip packages
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ hashFiles('**/pyproject.toml') }}