diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index cd6643e2..73b2469c 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -2,8 +2,14 @@ name: CMake
 
 on:
   push:
+    paths:
+      - 'src/**'
+      - 'test/**'
     branches: [ "master" ]
   pull_request:
+    paths:
+      - 'src/**'
+      - 'test/**'
     branches: [ "master" ]
 
 env:
@@ -18,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v2
       with:
         submodules: recursive