diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index 5678b7c..e085ca3 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -1,6 +1,9 @@
 name: Benchmark
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - master
 
 jobs:
   build: