diff --git a/.github/workflows/package.yml b/.github/workflows/package.yml
index bc28e7daa..4c81d5d7c 100644
--- a/.github/workflows/package.yml
+++ b/.github/workflows/package.yml
@@ -50,7 +50,7 @@ jobs:
           conda config --set solver libmamba
 
           conda activate hexrd
-          conda install --override-channels -c conda-forge anaconda-client conda-build conda
+          conda install --override-channels -c conda-forge anaconda-client conda-build conda pybind11
 
           python install_build_dependencies.py
       # This is need to ensure ~/.profile or ~/.bashrc are used so the activate