diff --git a/.github/workflows/build_docker.pr.yml b/.github/workflows/build_docker.pr.yml
index 217a768c..cfb671f2 100644
--- a/.github/workflows/build_docker.pr.yml
+++ b/.github/workflows/build_docker.pr.yml
@@ -2,6 +2,7 @@ name: Build Docker Image (On PR)
 
 on:
   pull_request:
+    types: [opened, synchronize]
     branches:
       - "dev"