diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 66d3753..2914e7d 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -3,7 +3,10 @@
 # Builds the rust code and verifies that it compiles
 
 name: build
-on: [ 'push' ]
+on:
+  push:
+    paths:
+      - '**.rs'
 
 jobs:
   build: