diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
index 866a431..b3899da 100644
--- a/.github/workflows/codecov.yml
+++ b/.github/workflows/codecov.yml
@@ -1,5 +1,5 @@
 name: Code coverage
-on: push
+on: [push, pull_request]
 jobs:
   run:
     runs-on: ubuntu-latest