diff --git a/.forgejo/workflows/build.yml b/.forgejo/workflows/build.yml
index 047be8c..84f21d1 100644
--- a/.forgejo/workflows/build.yml
+++ b/.forgejo/workflows/build.yml
@@ -8,11 +8,12 @@ on:
 jobs:
   build:
     name: Build & Publish
-    runs-on: docker
+    runs-on: alpine
 
     steps:
     - uses: https://git.swee.codes/swee/setup-alpine@main
-    - run: apk add openjdk21-jdk openjdk21-jre
+      with:
+        additional: openjdk21-jre openjdk21-jdk
     - uses: actions/checkout@v4
     - uses: https://github.com/fwilhe2/setup-kotlin@main
     - uses: https://github.com/android-actions/setup-android@v3