diff --git a/pyproject.toml b/pyproject.toml
index 365da7d..a4c1c7a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -133,7 +133,7 @@ optional-dependencies.doc = [
   "sphinxext-opengraph<1",
 ]
 optional-dependencies.mongodb = [
-  "pymongo<4.9",
+  "pymongo<4.10",
 ]
 optional-dependencies.release = [
   "build<2",