diff --git a/.github/workflows/micropython.yml b/.github/workflows/micropython.yml
index 454ad040..0b73286d 100644
--- a/.github/workflows/micropython.yml
+++ b/.github/workflows/micropython.yml
@@ -7,7 +7,7 @@ on:
     types: [created]
 
 env:
-  MICROPYTHON_VERSION: v1.22.2
+  MICROPYTHON_VERSION: master
 
 jobs:
   build: