diff --git a/.ci_support/environment.yml b/.ci_support/environment.yml
index e827f72c2..1dc659634 100644
--- a/.ci_support/environment.yml
+++ b/.ci_support/environment.yml
@@ -12,7 +12,7 @@ dependencies:
 - numpy =1.26.4
 - phonopy =2.26.6
 - plotly =5.24.1
-- pymatgen =2024.9.17.1
+- pymatgen =2024.10.3
 - pyscal3 =3.2.7
 - pyxtal =1.0.3
 - scikit-learn =1.5.2
diff --git a/pyproject.toml b/pyproject.toml
index 40ee3da79..1b64b0574 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,7 +39,7 @@ Repository = "https://github.com/pyiron/structuretoolkit"
 dscribe = ["dscribe==2.1.1"]
 grainboundary = [
     "aimsgb==1.1.1",
-    "pymatgen==2024.9.17.1",
+    "pymatgen==2024.10.3",
 ]
 pyscal = ["pyscal3==3.2.7"]
 nglview = ["nglview==3.1.2"]
@@ -49,7 +49,7 @@ clusters = ["scikit-learn==1.5.2"]
 symmetry = ["spglib==2.5.0"]
 surface = [
     "spglib==2.5.0",
-    "pymatgen==2024.9.17.1",
+    "pymatgen==2024.10.3",
 ]
 phonopy = [
     "phonopy==2.26.6",