diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 239c29f..db6b33b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -5,7 +5,7 @@ jobs:
       runs-on: ubuntu-22.04
       env: 
         BUILD_TYPE: "Release"
-        PICOSDK_VER: "2.1.0"
+        PICOSDK_VER: "develop"  # Temporarily use "release" branch
         PICOEXTRA_VER: "sdk-2.1.0"
         # The Pico-SDK will listen to these environment vars
         PICOTOOL_FETCH_FROM_GIT_PATH: ${{github.workspace}}/pico/picotool