diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 26e1f08f..0c07818a 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -65,7 +65,7 @@ jobs:
 
       - name: Cache project virtualenv
         id: cache-venv
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .venv
           key: venv-${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('uv.lock') }}
@@ -137,7 +137,7 @@ jobs:
 
       - name: Cache project virtualenv
         id: cache-venv
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .venv
           key: venv-${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('uv.lock') }}