diff --git a/.github/workflows/soak-test.yml b/.github/workflows/soak-test.yml
index f07cb96ad..240b892f5 100644
--- a/.github/workflows/soak-test.yml
+++ b/.github/workflows/soak-test.yml
@@ -1,6 +1,8 @@
 name: Soak Test
 
-on: push
+on:
+  push:
+    branches: master
 
 jobs:
   soak-test: