diff --git a/.github/workflows/validate-json.yml b/.github/workflows/validate-json.yml
index 96c29a0..2894c9c 100644
--- a/.github/workflows/validate-json.yml
+++ b/.github/workflows/validate-json.yml
@@ -5,6 +5,7 @@ on:
     paths:
       - "**.json"
   pull_request:
+    types: [opened, review_requested, synchronize]
 
 jobs:
   json_validator: