diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index b6dd1376..f4f8de9e 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -1,5 +1,5 @@
 name: Continuous Integration
-on: push
+on: [push, pull_request]
 jobs:
   # Run the `rustfmt` code formatter
   rustfmt: