Also pin setup.py
@@ -46,8 +46,8 @@ if __name__ == "__main__":
"pyarrow >=0.15.0",
# 'double-conversion >=3.0.0',
# QCArchive depends
- "qcengine>=0.20",
- "qcelemental>=0.23",
+ "qcengine==0.21",
+ "qcelemental==0.24",
],
entry_points={
"console_scripts": [
