diff --git a/.github/workflows/guix.yml b/.github/workflows/guix.yml
index 900607f..1eb3a49 100644
--- a/.github/workflows/guix.yml
+++ b/.github/workflows/guix.yml
@@ -1,7 +1,6 @@
 name: ci/gh-actions/guix
 
-on:
-  push:
+on: [push, pull_request]
 
 env:
   APT_SET_CONF: |