diff --git a/.github/workflows/build-linux.yml b/.github/workflows/build-linux.yml
index 0ac766a1b..6507337da 100644
--- a/.github/workflows/build-linux.yml
+++ b/.github/workflows/build-linux.yml
@@ -5,7 +5,7 @@ on:
     outputs:
       kernel-url:
         description: "URL of the built (and uploaded) Linux kernel"
-        value: ${{ jobs.build.upload-kernel-image.outputs.artifact-url }}
+        value: ${{ jobs.build.upload-kernel.outputs.artifact-url }}
 
 jobs:
   build:
@@ -54,6 +54,7 @@ jobs:
       - uses: actions/upload-artifact@v4
         id: upload-linux-kernel
         with:
-          name: linux-kernel-image
+          name: linux-kernel
           if-no-files-found: error
+          compression-level: 0
           path: build/arch/x86/boot/bzImage
diff --git a/.github/workflows/test-kernel.yml b/.github/workflows/test-kernel.yml
index 3beb16989..0fa23f29a 100644
--- a/.github/workflows/test-kernel.yml
+++ b/.github/workflows/test-kernel.yml
@@ -35,7 +35,7 @@ jobs:
           EOF
           chmod a+x main.sh
       - name: Test
-        uses: danobi/vmtest-action@v0.6
+        uses: danobi/vmtest-action@master
         with:
           kernel_url: ${{ needs.build-linux-kernel.outputs.kernel-url }}
           command: "/bin/bash -c ${{ github.workspace }}/main.sh"