diff --git a/pyproject.toml b/pyproject.toml
index 7627199e..f1ba3000 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ docs = [
     "sphinx==8.1.3",
 ]
 dev = ["pre-commit>=2.12.1", "typing_extensions; python_version < '3.11'"]
-tests = ["moto==5.2.0", "pytest-cov==7.1.0", "pytest==9.0.3"]
+tests = ["moto==5.2.1", "pytest-cov==7.1.0", "pytest==9.0.3"]
 vis = ["matplotlib", "pydot"]
 fireworks = ["FireWorks"]
 strict = [
@@ -58,7 +58,7 @@ strict = [
     "maggma==0.72.1",
     "matplotlib==3.10.9",
     "monty==2025.3.3",
-    "moto==5.2.0",
+    "moto==5.2.1",
     "networkx==3.4.2",
     "pydantic-settings==2.14.0",
     "pydantic==2.13.3",