diff --git a/pyproject.toml b/pyproject.toml
index 839898d..fbe0fab 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,7 +32,7 @@ dependencies = [
     'dill',
     'numpy',
     'pint',
-    'pyscf[geomopt]~=2.2',
+    'pyscf[geomopt]~=2.2,<2.4',
 ]
 
 [project.urls]