diff --git a/.github/workflows/pythonpublish.yml b/.github/workflows/pythonpublish.yml
index 86c14668..14693420 100644
--- a/.github/workflows/pythonpublish.yml
+++ b/.github/workflows/pythonpublish.yml
@@ -25,7 +25,7 @@ jobs:
         mkdir temp
         cd temp
         python -m pip install --upgrade pip
-        python -m pip install pandas tableauhyperapi pytest  # TODO: only pytest
+        python -m pip install numpy pandas tableauhyperapi pytest  # TODO: only pytest
         python -m pip install pantab --no-index -f ../wheelhouse
         python -c "import pantab; pantab.test()"
         cd ..
@@ -49,7 +49,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install setuptools wheel tableauhyperapi
+        python -m pip install setuptools wheel tableauhyperapi numpy
     - name: Build wheels
       run: |
         python setup.py bdist_wheel
@@ -81,7 +81,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install setuptools wheel tableauhyperapi
+        python -m pip install setuptools wheel tableauhyperapi numpy
     - name: Build wheels
       run: |
         python setup.py bdist_wheel