diff --git a/.github/workflows/codesniffer.yml b/.github/workflows/codesniffer.yml
index e189990c..0b2a11b6 100644
--- a/.github/workflows/codesniffer.yml
+++ b/.github/workflows/codesniffer.yml
@@ -4,7 +4,7 @@ on:
   push:
     branches: [ "main" ]
   pull_request:
-    types: [opened, reopened]
+    types: [opened, reopened, synchronize]
 
 jobs:
   homework-plugin-codesniffer: