diff --git a/.ci_support/environment.yml b/.ci_support/environment.yml
index f582ad84b..1bf5e23e9 100644
--- a/.ci_support/environment.yml
+++ b/.ci_support/environment.yml
@@ -11,7 +11,7 @@ dependencies:
 - numpy =1.23.5
 - phonopy =2.20.0
 - plotly =5.16.1
-- pymatgen =2023.7.20
+- pymatgen =2023.9.10
 - pyscal =2.10.18
 - scikit-learn =1.3.0
 - scipy =1.11.2
diff --git a/setup.py b/setup.py
index 731c710a4..7f625388a 100644
--- a/setup.py
+++ b/setup.py
@@ -36,13 +36,13 @@
         'scipy==1.11.2',  # ase already requires scipy
     ],
     extras_require={
-        "grainboundary": ['aimsgb==1.0.3', 'pymatgen==2023.8.10'],
+        "grainboundary": ['aimsgb==1.0.3', 'pymatgen==2023.9.10'],
         "pyscal": ['pyscal2==2.10.18'],
         "nglview": ['nglview==3.0.6'],
         "plotly": ['plotly==5.16.1'],
         "clusters": ['scikit-learn==1.3.0'],
         "symmetry": ['spglib==2.0.2'],
-        "surface": ['spglib==2.0.2', 'pymatgen==2023.8.10'],
+        "surface": ['spglib==2.0.2', 'pymatgen==2023.9.10'],
         "phonopy": ['phonopy==2.20.0', 'spglib==2.0.2'],
         "pyxtal": ['pyxtal==0.5.9']
     },