diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 49ede56..3ca7232 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,7 +30,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
 
     - name: Cache pip dependencies
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ matrix.python-version }}-${{ hashFiles('**/pyproject.toml') }}
@@ -96,7 +96,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
 
     - name: Cache pip dependencies
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: |
           ~/.cache/pip