diff --git a/.github/workflows/backend-ci.yml b/.github/workflows/backend-ci.yml
index 0e80c23..923ce5c 100644
--- a/.github/workflows/backend-ci.yml
+++ b/.github/workflows/backend-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: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}