diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 046c67d..95f6def 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -19,9 +19,8 @@ jobs:
           - macos-11
           - macos-12
         go:
-          - '1.18'
-          - '1.19'
           - '1.20'
+          - '1.21'
     steps:
       - uses: actions/checkout@v3