diff --git a/.github/workflows/pypi-ci.yml b/.github/workflows/pypi-ci.yml
index b1b89ad2..ff795693 100644
--- a/.github/workflows/pypi-ci.yml
+++ b/.github/workflows/pypi-ci.yml
@@ -38,11 +38,8 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, macOS-latest, windows-latest] #
-        python-version: ["3.7", "3.8", "3.9"]
-        exclude:
-          - os: "windows-latest"
-            python-version: "3.7"
+        os: [ubuntu-latest] #
+        python-version: ["3.8", "3.9", "3.10"]
     name: test coffea_casa (${{ matrix.os }}) - python ${{ matrix.python-version }}
 
     steps:
@@ -60,18 +57,12 @@ jobs:
         auto-update-conda: true
         python-version: ${{ matrix.python-version }}
         miniconda-version: 'latest'
-    - name: Install dependencies (Linux/MacOS)
+    - name: Install dependencies
       if: matrix.os != 'windows-latest'
       run: |
         python -m pip install -q --upgrade pip setuptools setuptools_scm wheel six pytest codecov dask distributed
         python -m pip install -q -e .
         python -m pip list
-    - name: Install dependencies (Windows)
-      if: matrix.os == 'windows-latest'
-      run: |
-        python -m pip install -q --upgrade pip setuptools setuptools_scm wheel six pytest codecov dask distributed
-        python -m pip install -q -e .
-        python -m pip list
     - name: Test with pytest
       run: |
         coverage run -m pytest