diff --git a/.github/workflows/build.yml b/.github/workflows/docker.yml
similarity index 87%
rename from .github/workflows/build.yml
rename to .github/workflows/docker.yml
index 554e74a..4e76ac0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/docker.yml
@@ -1,7 +1,9 @@
-name: build
+name: docker
 
 on:
-  - push
+  push:
+    branches:
+      - master
 
 env:
   GO_VERSION: 1.18
@@ -16,7 +18,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2