diff --git a/.ci_support/environment.yml b/.ci_support/environment.yml
index 4aa6414b6..8840919d8 100644
--- a/.ci_support/environment.yml
+++ b/.ci_support/environment.yml
@@ -10,7 +10,7 @@ dependencies:
 - numpy =1.24.3
 - phonopy =2.20.0
 - plotly =5.15.0
-- pymatgen =2023.5.31
+- pymatgen =2023.7.17
 - pyscal =2.10.18
 - scikit-learn =1.3.0
 - scipy =1.10.1
diff --git a/setup.py b/setup.py
index ea4eafef9..3f4306f2a 100644
--- a/setup.py
+++ b/setup.py
@@ -36,13 +36,13 @@
         'scipy==1.10.1',  # ase already requires scipy
     ],
     extras_require={
-        "grainboundary": ['aimsgb==1.0.1', 'pymatgen==2023.5.31'],
+        "grainboundary": ['aimsgb==1.0.1', 'pymatgen==2023.7.17'],
         "pyscal": ['pyscal2==2.10.18'],
         "nglview": ['nglview==3.0.5'],
         "plotly": ['plotly==5.15.0'],
         "clusters": ['scikit-learn==1.3.0'],
         "symmetry": ['spglib==2.0.2'],
-        "surface": ['spglib==2.0.2', 'pymatgen==2023.5.31'],
+        "surface": ['spglib==2.0.2', 'pymatgen==2023.7.17'],
         "phonopy": ['phonopy==2.20.0', 'spglib==2.0.2'],
     },
     cmdclass=versioneer.get_cmdclass(),