diff --git a/.github/workflows/test-os.yml b/.github/workflows/test-os.yml
index 2c62ef92bddd..3281afa2f329 100644
--- a/.github/workflows/test-os.yml
+++ b/.github/workflows/test-os.yml
@@ -229,7 +229,7 @@ jobs:
           vagrant ssh -- "sudo cat /vagrant/.tmp/logs/containerd"
 
   sandbox-build:
-    runs-on: ubuntu-24.04
+    runs-on: ${{ matrix.platform == 'linux/arm64' && 'ubuntu-22.04-arm' || 'ubuntu-24.04' }}
     strategy:
       fail-fast: false
       matrix:
diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index 7d4da9eeb61d..6836f60e563d 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -64,11 +64,8 @@ jobs:
           targets: ${{ matrix.target }}
 
   archutil-arm64:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-22.04-arm
     steps:
-      -
-        name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
       -
         name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3