diff --git a/setup.cfg b/setup.cfg
index b0612d8..ccff1b6 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -37,8 +37,8 @@ setup_requires = numpy>=1.20; setuptools; setuptools_scm
 install_requires =
     setuptools
     numpy >=1.23.5
-    pymatgen >=2022.8.10
-    monty >=v2022.9.8
+    pymatgen >=2023.8.10
+    monty ==v2022.9.9
     pyyaml>=6.0
     joblib>=1.2.0
     smol>=0.5.0
@@ -49,7 +49,7 @@ install_requires =
     scikit-learn>=1.2.0
     scikit-optimize>=0.9.0
     scipy>=1.10.0
-    pydantic>=1.10.2
+    pydantic==1.10.9
     polytope>=0.2.3
     cvxpy>=1.2.1
     cvxopt