diff --git a/.github/workflows/code_size.yml b/.github/workflows/code_size.yml
index a65a00201a..1ef43d1fd3 100644
--- a/.github/workflows/code_size.yml
+++ b/.github/workflows/code_size.yml
@@ -8,9 +8,15 @@ on:
       - 'tools/**'
       - 'py/**'
       - 'extmod/**'
+      - 'shared/**'
       - 'lib/**'
       - 'ports/bare-arm/**'
+      - 'ports/mimxrt/**'
       - 'ports/minimal/**'
+      - 'ports/rp2/**'
+      - 'ports/samd/**'
+      - 'ports/stm32/**'
+      - 'ports/unix/**'
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}