diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 367edca4..cca751ea 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -33,7 +33,7 @@ jobs:
         os:
           - windows-latest
           - macos-latest
-          - macos-10.15
+          - macos-10
         python-version:
           - "3.7"
           - "3.8"