diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 0342747..9011104 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -36,7 +36,7 @@ jobs:
 
     - name: Load cached venv
       id: cached-poetry-dependencies
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: .venv
         key: venv-${{ runner.os }}-${{ hashFiles('**/poetry.lock') }}