diff --git a/.github/workflows/build_push.yml b/.github/workflows/build_push.yml
index 1b60bec..3d0064c 100644
--- a/.github/workflows/build_push.yml
+++ b/.github/workflows/build_push.yml
@@ -46,7 +46,7 @@ jobs:
         uses: actions/checkout@v2
         with:
           repository: h2zero/NimBLE-Arduino
-          ref: master
+          ref: v1.2.0
           path: CustomNimBLE-Arduino
           
       - name: Install Adafruit_NeoPixel