@@ -17,7 +17,7 @@ on:
 
 jobs:
   build:
-    runs-on: self-hosted
+    runs-on: ubuntu-18.04
 
     env:
       DOCKER_PLATFORM: linux/arm64
@@ -33,7 +33,7 @@ jobs:
 
     strategy:
       fail-fast: false
-      max-parallel: 7
+      max-parallel: 2
       matrix:
         include:
           # alpine-v3.15-php-8.1
@@ -141,7 +141,7 @@ jobs:
 
       # build packages.
       - name: build
-        uses: uraimo/run-on-arch-action@master
+        uses: uraimo/run-on-arch-action@v2
         with:
           env: |
             DOCKER_BUILDKIT: 1