diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3e72098e..a7d2fdfc 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -2,9 +2,9 @@ name: build
 
 on:
   push:
-    paths: [ '.github/scripts/**','.github/workflows/build.yml','py/**']
+    paths: [ '.github/scripts/**','.github/workflows/**','py/**','cpp/**']
   pull_request:
-    paths: [ '.github/scripts/**','.github/workflows/build.yml','py/**']
+    paths: [ '.github/scripts/**','.github/workflows/**','py/**','cpp/**']
 
 jobs:
   buildluna: