diff --git a/.github/workflows/ports_unix.yml b/.github/workflows/ports_unix.yml
index 673e6152fa94..0e6a98f6b226 100644
--- a/.github/workflows/ports_unix.yml
+++ b/.github/workflows/ports_unix.yml
@@ -51,6 +51,18 @@ jobs:
       if: failure()
       run: tests/run-tests.py --print-failures
 
+  dev:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Build
+      run: source tools/ci.sh && ci_unix_dev_build
+    - name: Run main test suite
+      run: source tools/ci.sh && ci_unix_dev_run_tests
+    - name: Print failures
+      if: failure()
+      run: tests/run-tests.py --print-failures
+
   coverage:
     runs-on: ubuntu-latest
     steps:
diff --git a/tools/ci.sh b/tools/ci.sh
index ec122129dd97..815e7287570e 100755
--- a/tools/ci.sh
+++ b/tools/ci.sh
@@ -393,6 +393,14 @@ function ci_unix_standard_run_perfbench {
     (cd tests && MICROPY_CPYTHON3=python3 MICROPY_MICROPYTHON=../ports/unix/micropython ./run-perfbench.py 1000 1000)
 }
 
+function ci_unix_dev_build {
+    ci_unix_build_helper VARIANT=dev
+}
+
+function ci_unix_dev_run_tests {
+    ci_unix_run_tests_helper VARIANT=dev
+}
+
 function ci_unix_coverage_setup {
     sudo pip3 install setuptools
     sudo pip3 install pyelftools