diff --git a/.github/workflows/zephyr.yml b/.github/workflows/zephyr.yml
index 265c60454..eb81835c0 100644
--- a/.github/workflows/zephyr.yml
+++ b/.github/workflows/zephyr.yml
@@ -9,6 +9,11 @@ on:
 jobs:
   run_test:
     name: Build and run
+    strategy:
+      matrix:
+        config:
+          - zephyr-ref: v3.4.0
+            zephyr-sdk: 0.16.1
     runs-on: ubuntu-latest
     timeout-minutes: 20
     steps:
@@ -35,7 +40,7 @@ jobs:
         run: sudo pip install west
 
       - name: Init west workspace
-        run: west init zephyr
+        run: west init --mr ${{ matrix.config.zephyr-ref }} zephyr
 
       - name: Update west.yml
         working-directory: zephyr/zephyr
@@ -60,9 +65,9 @@ jobs:
 
       - name: Install zephyr SDK
         run: |
-          wget -q https://github.com/zephyrproject-rtos/sdk-ng/releases/download/v0.16.1/zephyr-sdk-0.16.1_linux-x86_64.tar.xz
-          tar xf zephyr-sdk-0.16.1_linux-x86_64.tar.xz
-          cd zephyr-sdk-0.16.1
+          wget -q https://github.com/zephyrproject-rtos/sdk-ng/releases/download/v${{ matrix.config.zephyr-sdk }}/zephyr-sdk-${{ matrix.config.zephyr-sdk }}_linux-x86_64.tar.xz
+          tar xf zephyr-sdk-${{ matrix.config.zephyr-sdk }}_linux-x86_64.tar.xz
+          cd zephyr-sdk-${{ matrix.config.zephyr-sdk }}
           ./setup.sh -h -c
 
       - name: Setup qemu networking