diff --git a/.github/workflows/ekf_update_change_indicator.yml b/.github/workflows/ekf_update_change_indicator.yml
index 7de35207f0..e122496f14 100644
--- a/.github/workflows/ekf_update_change_indicator.yml
+++ b/.github/workflows/ekf_update_change_indicator.yml
@@ -1,6 +1,9 @@
 name: EKF Update Change Indicator
 
-on: push
+on:
+  push:
+    branches:
+      - 'master'
 
 jobs:
   unit_tests: