diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index b59d597..487f862 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        go: ["1.20", "1.19", "1.18"]
+        go: ["1.21", "1.20", "1.19"]
         platform: [ubuntu-latest] # can not run in windows OS
     runs-on: ${{ matrix.platform }}