diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 60f9ec3..fe275cc 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -10,8 +10,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.15.x, 1.16.x]
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        go-version: ['1.15', '1.16']
     steps:
       - uses: actions/checkout@master
       - uses: actions/setup-go@v2