diff --git a/sample/workflows/dockerfile.yml b/sample/workflows/dockerfile.yml
index 8b78bba2..d497cb3e 100644
--- a/sample/workflows/dockerfile.yml
+++ b/sample/workflows/dockerfile.yml
@@ -9,10 +9,16 @@ on:
       - opened
       - synchronize
       - reopened
+    paths:
+      - "**/Dockerfile*"
+      - ".github/workflows/dockerfile.yml"
   push:
     branches:
       - master
       - prod
+    paths:
+      - "**/Dockerfile*"
+      - ".github/workflows/dockerfile.yml"
 
 jobs:
   dockerfile: