diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 247298d..c8c05ce 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,9 +2,9 @@ name: Build
 
 on:
   push:
-    branches: [ "main" ]
+    branches: [ "master" ]
   pull_request:
-    branches: [ "main" ]
+    branches: [ "master" ]
 
 jobs:
 
@@ -16,7 +16,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v5
       with:
-        go-version: 1.20.5
+        go-version-file: ./go.mod
 
     - name: Go vet
       run: go vet ./...