diff --git a/.binder/environment.yml b/.binder/environment.yml
index d502f5db0..beea469f9 100644
--- a/.binder/environment.yml
+++ b/.binder/environment.yml
@@ -20,7 +20,7 @@ dependencies:
 - aws-sam-translator =1.77.0
 - distributed =2024.8.0
 - h5io_browser =0.1.1
-- pymatgen =2024.7.18
+- pymatgen =2024.8.9
 - python >= 3.10
 - lammps
 - nglview >=3.0.8
diff --git a/.ci_support/environment.yml b/.ci_support/environment.yml
index f07a8ec04..a944ec173 100644
--- a/.ci_support/environment.yml
+++ b/.ci_support/environment.yml
@@ -20,4 +20,4 @@ dependencies:
 - aws-sam-translator =1.77.0
 - distributed =2024.8.0
 - h5io_browser =0.1.1
-- pymatgen =2024.7.18
+- pymatgen =2024.8.9
diff --git a/docs/environment.yml b/docs/environment.yml
index f0094b4b0..c4ffcb31b 100644
--- a/docs/environment.yml
+++ b/docs/environment.yml
@@ -26,4 +26,4 @@ dependencies:
 - aws-sam-translator =1.77.0
 - distributed =2024.8.0
 - h5io_browser =0.1.1
-- pymatgen =2024.7.18
+- pymatgen =2024.8.9
diff --git a/setup.py b/setup.py
index a112d55e9..610f52003 100644
--- a/setup.py
+++ b/setup.py
@@ -56,7 +56,7 @@
         ],
         'tinybase': [
             'distributed==2024.8.0',
-            'pymatgen==2024.7.18',
+            'pymatgen==2024.8.9',
             'pympipool==0.8.4',
             'h5io_browser==0.1.1',
         ]