diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c357a29..6282564 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -47,6 +47,8 @@ jobs:
         env:
           DISPLAY: :99
           GITHUB_WORKSPACE: $GITHUB_WORKSPACE
+      - name: copy server cache
+        run: cp -r ~/server/ . ; git checkout server
       - name: start minecraft server
         run: cd server && ./launch.sh &
         env: