diff --git a/.github/workflows/micropython.yml b/.github/workflows/micropython.yml
index 96792cc..5449506 100644
--- a/.github/workflows/micropython.yml
+++ b/.github/workflows/micropython.yml
@@ -8,7 +8,7 @@ on:
 
 env:
   MICROPYTHON_VERSION: v1.20.0
-  PIMORONI_PICO_VERSION: v1.20.1
+  PIMORONI_PICO_VERSION: 302d6ae0ebccbec8b676a5eb5e1ec9b273f4eecd
 
 jobs:
   deps: