diff --git a/pyproject.toml b/pyproject.toml
index 5fe8165..107dc51 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,7 +41,7 @@ tests = [
     "pytest==8.3.3",
     "pytest-cov==5.0.0",
     "pytest-mock==3.14.0",
-    "mongomock==4.1.2"
+    "mongomock==4.3.0"
 ]
 docs = [
     "sphinx",