diff --git a/.github/workflows/ports_unix.yml b/.github/workflows/ports_unix.yml
index 46b90fc70e..257c4c7c09 100644
--- a/.github/workflows/ports_unix.yml
+++ b/.github/workflows/ports_unix.yml
@@ -10,6 +10,7 @@ on:
       - 'extmod/**'
       - 'lib/**'
       - 'examples/**'
+      - 'mpy-cross/**'
       - 'ports/unix/**'
       - 'tests/**'