diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index f795e0d..d8a7e69 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -7,7 +7,7 @@ jobs:
     strategy:
       matrix:
         os: [macos-latest, ubuntu-latest]
-        goversion: [1.19, "1.20"]
+        goversion: [1.19, "1.20", "1.21"]
     steps:
       - name: Set up Go ${{matrix.goversion}} on ${{matrix.os}}
         uses: actions/setup-go@v3