diff --git a/.github/workflows/nightlies.yml b/.github/workflows/nightlies.yml
index a609a87..d49ba23 100644
--- a/.github/workflows/nightlies.yml
+++ b/.github/workflows/nightlies.yml
@@ -331,7 +331,7 @@ jobs:
             builder: ubuntu-20.04
           - target:
               os: macosx
-            builder: macos-12
+            builder: macos-13
           - target:
               os: windows
             builder: windows-2019