diff --git a/.github/workflows/build_test.yml b/.github/workflows/build_test.yml
index 9babb978..e10eaa05 100644
--- a/.github/workflows/build_test.yml
+++ b/.github/workflows/build_test.yml
@@ -35,7 +35,7 @@ jobs:
         os:
           - ubuntu-20.04
           - windows-2022
-          - macos-12
+          - macos-13
     steps:
       - name: Check out repository code
         uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # pin@v3.5.2
@@ -179,7 +179,7 @@ jobs:
             target/wheels/*.whl
 
   build-vegafusion-python-embed-osx-64:
-    runs-on: macos-12
+    runs-on: macos-13
     steps:
       - name: Check out repository code
         uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # pin@v3.5.2
@@ -206,7 +206,7 @@ jobs:
             target/wheels/*.whl
 
   build-vegafusion-python-embed-osx-arm64:
-    runs-on: macos-latest
+    runs-on: macos-13-arm64
     steps:
       - name: Check out repository code
         uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # pin@v3.5.2
@@ -622,7 +622,7 @@ jobs:
             vegafusion-server-*
 
   build-vegafusion-server-osx-arm64:
-    runs-on: macos-latest
+    runs-on: macos-13-arm64
     steps:
       - name: Check out repository code
         uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # pin@v3.5.2