diff --git a/pyproject.toml b/pyproject.toml
index f5fd3a9f1f..76e44151b3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -104,7 +104,7 @@ strict-openff = [
 strict-forcefields = [
     "calorine==3.2; python_version >= '3.12'",
     "calorine==3.1; python_version < '3.12'",
-    "chgnet==0.3.8",
+    "chgnet==0.4.2",
     "mace-torch==0.3.14",
     "matgl==1.3.0",
     "quippy-ase==0.9.14; python_version < '3.12'",