diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 447507ad25f..f55e25c70a4 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -38,7 +38,7 @@ jobs:
       matrix:
         os: ["ubuntu-latest", "macos-latest", "windows-latest"]
         # Bookend python versions
-        python-version: ["3.8", "3.9"]
+        python-version: ["3.8", "3.9", "3.10"]
     steps:
       - uses: actions/checkout@v2
         with:
diff --git a/.github/workflows/upstream-dev-ci.yaml b/.github/workflows/upstream-dev-ci.yaml
index 49415683d07..67415331bbd 100644
--- a/.github/workflows/upstream-dev-ci.yaml
+++ b/.github/workflows/upstream-dev-ci.yaml
@@ -44,7 +44,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9"]
+        python-version: ["3.10"]
     outputs:
       artifacts_availability: ${{ steps.status.outputs.ARTIFACTS_AVAILABLE }}
     steps:
diff --git a/ci/requirements/environment-windows.yml b/ci/requirements/environment-windows.yml
index 8dafb6f80f6..05fa5fecba0 100644
--- a/ci/requirements/environment-windows.yml
+++ b/ci/requirements/environment-windows.yml
@@ -27,7 +27,7 @@ dependencies:
   - pip
   - pre-commit
   - pseudonetcdf
-  - pydap
+  # - pydap  # https://github.com/pydap/pydap/pull/210
   # - pynio  # Not available on Windows
   - pytest
   - pytest-cov
diff --git a/ci/requirements/environment.yml b/ci/requirements/environment.yml
index eab06fbe0f8..46371247c4d 100644
--- a/ci/requirements/environment.yml
+++ b/ci/requirements/environment.yml
@@ -31,7 +31,7 @@ dependencies:
   - pooch
   - pre-commit
   - pseudonetcdf
-  - pydap
+  # - pydap  # https://github.com/pydap/pydap/pull/210
   # - pynio: not compatible with netCDF4>1.5.3; only tested in py37-bare-minimum
   - pytest
   - pytest-cov