diff --git a/.github/workflows/run-unit-tests.yml b/.github/workflows/run-unit-tests.yml
index e3af3aaf..5d48f4c6 100644
--- a/.github/workflows/run-unit-tests.yml
+++ b/.github/workflows/run-unit-tests.yml
@@ -20,7 +20,7 @@ jobs:
         uses: ./.github/actions/setup-build-environment
 
       - name: Run Unit Tests
-        run: pio test -e native -vv
+        run: pio test -e native -e native_kiss_modem -vv
 
       - name: Upload Test Results
         # Upload test results even if the test step failed.
diff --git a/platformio.ini b/platformio.ini
index 2de71a37..cdd67d27 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -163,6 +163,7 @@ build_flags = -std=c++17
   -I src
   -I test/mocks
 test_build_src = yes
+test_filter = test_utils
 build_src_filter =
   -<*>
   +<../src/Utils.cpp>