diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 980fb39..4f0d3bf 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -35,7 +35,7 @@ jobs:
           - os: ubuntu-latest
             arch: amd64
             cgo: 1
-          - os: macos-latest
+          - os: macos-10.15
             arch: amd64
             cgo: 1
       fail-fast: false