diff --git a/.github/workflows/update-poetry.yml b/.github/workflows/update-poetry.yml
index 8764c3c..ae415c9 100644
--- a/.github/workflows/update-poetry.yml
+++ b/.github/workflows/update-poetry.yml
@@ -32,7 +32,7 @@ jobs:
         virtualenvs-in-project: true
 
     - name: Cache Poetry dependencies
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: .venv
         key: venv-${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('**/poetry.lock') }}