diff --git a/tests/requirements.txt b/tests/requirements.txt
index b732541aa4..cc26c87b72 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -2,7 +2,7 @@ ase==3.23.0
 custodian==2024.10.16
 emmet-core==0.84.2
 maggma==0.70.0
-monty==2024.7.30
+monty==2024.10.21
 numpy==1.26.4
 psutil==6.1.0
 pydantic==2.9.2