diff --git a/.github/workflows/kernel-checks.yml b/.github/workflows/kernel-checks.yml
index 7087bb8d7..889a53e6c 100644
--- a/.github/workflows/kernel-checks.yml
+++ b/.github/workflows/kernel-checks.yml
@@ -5,7 +5,7 @@ on: [push, pull_request]
 jobs:
   kernel-checker:
     name: FreeRTOS Kernel Header Checks
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       # Install python 3
       - name: Tool Setup