diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 1930478..b430afc 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -10,7 +10,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macOS-latest, windows-latest]
-        go: ['1.18.x', '1.20.x']
+        go: ['1.18.x', '1.21.x']
         
     steps:
 
@@ -18,7 +18,7 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Set up Go ${{ matrix.go }}
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v4
         with:
           go-version: ${{ matrix.go }}
         id: go