diff --git a/.github/workflows/docker_image_ci.yml b/.github/workflows/docker_image_ci.yml
index 543bae7..4db3854 100644
--- a/.github/workflows/docker_image_ci.yml
+++ b/.github/workflows/docker_image_ci.yml
@@ -1,13 +1,8 @@
 name: Docker image CI
 
 on:
-  push:
-    branches:
-      - 'main'
-      - 'feature/*'
   pull_request:
     branches:
-      - 'main'
       - 'feature/*'
 
 jobs: