diff --git a/.github/workflows/wheels.yml b/.github/workflows/wheels.yml
index ec541c8..4cfa5d3 100644
--- a/.github/workflows/wheels.yml
+++ b/.github/workflows/wheels.yml
@@ -10,7 +10,7 @@ jobs:
       matrix:
         spec:
           - { name: 'linux x86_64', runner: ubuntu-20.04, target: manylinux_2_27_x86_64 }
-          - { name: 'macOS x86_64', runner: macos-11, target: macosx_10_14_x86_64 }
+          - { name: 'macOS x86_64', runner: macos-12, target: macosx_10_14_x86_64 }
           - { name: 'Windows x86_64', runner: windows-2019, target: win_amd64 }
     name: building ${{ matrix.spec.name }}
     runs-on: ${{ matrix.spec.runner }}
diff --git a/sample/ziti-urllib3/ziti-urllib3.py b/sample/ziti-urllib3/ziti-urllib3.py
index 8caff2b..25da25b 100644
--- a/sample/ziti-urllib3/ziti-urllib3.py
+++ b/sample/ziti-urllib3/ziti-urllib3.py
@@ -22,4 +22,3 @@
     r = http.request('GET', sys.argv[1])
     print("{0} {1}".format(r.status, r.reason))
     print(r.data.decode('utf-8'))
-