diff --git a/.github/workflows/auto-formatter.yml b/.github/workflows/auto-formatter.yml
new file mode 100644
index 0000000..c411b58
--- /dev/null
+++ b/.github/workflows/auto-formatter.yml
@@ -0,0 +1,21 @@
+name: gofumpt
+
+on:
+  push:
+    branches: [main]
+
+jobs:
+  prettier:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+      with:
+        ref: ${{ github.head_ref }}
+        fetch-depth: 0
+
+    - name: Auto Format code
+      uses: iamnotaturtle/auto-gofmt@v2.0.0
+      with:
+        only_changed: true