diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 542f93f..0ce20ad 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go: ['1.18', '1.19', '1.20']
+        go: ['1.18', '1.19', '1.20', '1.21']
     steps:
     - uses: actions/checkout@v3