diff --git a/.github/workflows/kernel-unit-tests.yml b/.github/workflows/kernel-unit-tests.yml
index c7fc07176..0fdf004a6 100644
--- a/.github/workflows/kernel-unit-tests.yml
+++ b/.github/workflows/kernel-unit-tests.yml
@@ -2,7 +2,8 @@ name: Kernel Unit Tests
 on: [push, pull_request]
 
 jobs:
-  run:
+  run-submodule:
+    name: FreeRTOS/Source Submodule Revision
     runs-on: ubuntu-latest
     steps:
     - name: Checkout Repository
@@ -36,3 +37,44 @@ jobs:
       with:
         name: coverage-report
         path: FreeRTOS/Test/CMock/build/coverage
+  run-upstream:
+    name: FreeRTOS-Kernel Main Branch
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout Repository
+      uses: actions/checkout@v2
+      with:
+        submodules: 'recursive'
+        fetch-depth: 5
+    - name: Checkout the main branch from the FreeRTOS-Kernel repository
+      uses: actions/checkout@v2
+      with:
+        path: ./FreeRTOS/Source
+        ref: main
+        repository: FreeRTOS/FreeRTOS-Kernel
+    - name: Setup Python
+      uses: actions/setup-python@master
+      with:
+        python-version: 3.8
+    - name: Install packages
+      run: |
+          sudo apt-get install lcov cflow ruby doxygen build-essential unifdef
+    - name: Run Unit Tests with ENABLE_SANITIZER=1
+      run: |
+          make -C FreeRTOS/Test/CMock clean
+          make -C FreeRTOS/Test/CMock ENABLE_SANITIZER=1 run_col_formatted
+    - name: Run Unit Tests for coverage
+      run: |
+          make -C FreeRTOS/Test/CMock clean
+          make -C FreeRTOS/Test/CMock lcovhtml
+          lcov --config-file FreeRTOS/Test/CMock/lcovrc --summary FreeRTOS/Test/CMock/build/cmock_test.info > FreeRTOS/Test/CMock/build/cmock_test_summary.txt
+    - name: Archive code coverage data
+      uses: actions/upload-artifact@v2
+      with:
+        name: coverage-data
+        path: FreeRTOS/Test/CMock/build/cmock_test*
+    - name: Archive code coverage html report
+      uses: actions/upload-artifact@v2
+      with:
+        name: coverage-report
+        path: FreeRTOS/Test/CMock/build/coverage