diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 074edf6f66..852627cf5c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -119,7 +119,7 @@ jobs:
           path: build/html
   build-photonlib-host:
     env:
-      MACOSX_DEPLOYMENT_TARGET: 10.14
+      MACOSX_DEPLOYMENT_TARGET: 11
     strategy:
       fail-fast: false
       matrix:
@@ -127,8 +127,9 @@ jobs:
           - os: windows-2022
             artifact-name: Win64
             architecture: x64
-          - os: macos-11
+          - os: macos-12
             artifact-name: macOS
+            architecture: x64
           - os: ubuntu-22.04
             artifact-name: Linux