diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7e95345..4c681ac 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -5,7 +5,7 @@ jobs:
   build:
     strategy:
         matrix:
-          go-version: ['1.15', '1.16', '1.17', '1.18', '1.19', '1.20']
+          go-version: ['1.15', '1.16', '1.17', '1.18', '1.19', '1.20', '1.21']
           os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps: