diff --git a/setup.py b/setup.py
index c35dadb..44db3f2 100644
--- a/setup.py
+++ b/setup.py
@@ -194,7 +194,7 @@ def build_extension(self, ext: CMakeExtension) -> None:
     url='https://github.com/ICAMS/python-ace',
     install_requires=['numpy<=1.26.4',
                       'ase',
-                      'pandas<=2.0',
+                      'pandas>=2,<4',
                       'ruamel.yaml',
                       'psutil',
                       'scikit-learn<=1.4.2'