diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1a907c6..5729f95 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -88,7 +88,7 @@ jobs:
         run: python -m pip install -e ".[dev]"
 
       - name: Cache Docker images
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: /tmp/docker-cache/${{ matrix.moodle-cache-key }}
           key: ${{ runner.os }}-docker-${{ matrix.moodle-cache-key }}-${{ hashFiles('docker-compose.yml') }}