diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index 52b45d9f0966e59af82ec774a6669d62f0e71168..f1fa616b2875fc16d48498e2a04df94306c6d8e4 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -2,6 +2,11 @@ name: "CI - Nix"
 
 on:
   push:
+    branches:
+    - main
+  pull_request:
+    branches:
+    - main
 
 jobs:
   nix: