diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 9effa6cf..95ef967c 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -60,7 +60,6 @@ jobs:
           git+https://github.com/storpipfugl/pykdtree \
           git+https://github.com/dask/dask \
           git+https://github.com/dask/distributed \
-          git+https://github.com/zarr-developers/zarr \
           git+https://github.com/Unidata/cftime \
           git+https://github.com/mapbox/rasterio \
           git+https://github.com/pyproj4/pyproj \
diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index 7c6db9b1..a92e3f61 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -44,7 +44,7 @@ jobs:
           - os: windows-2019
             cibw_archs: "AMD64 ARM64"
             artifact_name: "win"
-          - os: macos-11
+          - os: macos-12
             cibw_archs: "x86_64 arm64"
             artifact_name: "mac"
           - os: "ubuntu-20.04"