diff --git a/.github/workflows/zephyr.yml b/.github/workflows/zephyr.yml
index 3ae99021..94c5710b 100644
--- a/.github/workflows/zephyr.yml
+++ b/.github/workflows/zephyr.yml
@@ -1,4 +1,4 @@
-name: Full build and test
+name: Zephyr
 on:
   schedule:
     - cron: '0 0 * * *' # run at 12 AM UTC
@@ -6,7 +6,7 @@ on:
   workflow_dispatch:
 jobs:
   zephyr_examples:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     strategy:
       fail-fast: false
       matrix:
@@ -15,9 +15,9 @@ jobs:
     steps:
       - uses: actions/checkout@v4
         with: { fetch-depth: 2 }
-      - run: sudo apt -y update && sudo apt -y install gcc-arm-none-eabi
-      - run: make -C tutorials/zephyr init REPO=zephyrprojectrtos/ci REVNO=${{ matrix.revno }}
-      - run: make -C tutorials/zephyr minify REVNO=${{ matrix.revno }}
+      - run: test/setup_ga_docker_filesystem.sh
+      - run: make -C tutorials/zephyr init REPO=zephyrprojectrtos/ci REVNO="${{ matrix.revno }}"
+      - run: make -C tutorials/zephyr minify REVNO="${{ matrix.revno }}"
       - run: make -C tutorials/zephyr update
       - run: make -C tutorials/zephyr/device-dashboard build
       - run: make -C tutorials/zephyr/http-client build