diff --git a/.github/workflows/build-image.yml b/.github/workflows/build-image.yml
index fbb3df1..4ce1b48 100644
--- a/.github/workflows/build-image.yml
+++ b/.github/workflows/build-image.yml
@@ -5,6 +5,8 @@ on:
   push:
     branches:
       - main
+    paths:
+      - Dockerfile
       
 permissions:
   contents: read
diff --git a/.github/workflows/merge-dependabot.yml b/.github/workflows/merge-dependabot.yml
index 91a96df..dee82e6 100644
--- a/.github/workflows/merge-dependabot.yml
+++ b/.github/workflows/merge-dependabot.yml
@@ -5,10 +5,6 @@ on:
     paths:
       - Dockerfile
 
-permissions:
-  contents: write
-  pull-requests: write
-
 jobs:
   merge-dependabot:
     runs-on: ubuntu-22.04
@@ -18,4 +14,4 @@ jobs:
       run: gh pr merge --auto --merge "$PR_URL"
       env:
         PR_URL: ${{github.event.pull_request.html_url}}
-        GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+        GITHUB_TOKEN: ${{secrets.AUTOMERGE_PAT}}