diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e9e76c61988bbc5eec8b2bd3425af50734275f6d..88f4ac2863c22b75ea9e1175d9a771e11f58a399 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -31,8 +31,8 @@           - <YOUR_CACHIX_NAME>
         nixPath:
           - nixpkgs=channel:nixos-unstable
           - nixpkgs=channel:nixpkgs-unstable
+    # rebuild everyday at 2:51
   pull_request:
-on:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository