diff --git a/.github/workflows/mkosi.yml b/.github/workflows/mkosi.yml
index a42f91b..99cea38 100644
--- a/.github/workflows/mkosi.yml
+++ b/.github/workflows/mkosi.yml
@@ -13,7 +13,7 @@ jobs:
   build-and-release:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+      - uses: actions/checkout@v4
       - run: |
           sudo apt-get install -y --no-install-recommends \
             python3 python3-pip python-is-python3 python3-pyelftools python3-pefile pipx \
@@ -21,6 +21,11 @@ jobs:
       - run: |
           pipx ensurepath
           pipx install git+https://github.com/systemd/mkosi.git@v22
+      - name: Setup mkosi cache
+        uses: actions/cache@v4
+        with:
+          path: mkosi.cache
+          key: ${{ runner.os }}
       - name: Setup mkosi
         run: |
           touch mkosi.key mkosi.crt