diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 405fc09..2e21413 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,7 +33,7 @@ jobs:
           python-version: "3.13"
 
       - name: Cache pip
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('pyproject.toml', 'requirements.txt') }}