diff --git a/.github/workflows/osx.yml b/.github/workflows/osx.yml
index 118d4fd..54068cb 100644
--- a/.github/workflows/osx.yml
+++ b/.github/workflows/osx.yml
@@ -18,7 +18,6 @@ jobs:
       fail-fast: false
       matrix:
         os:
-        - 13
         - 14
         - 15