diff --git a/pyproject.toml b/pyproject.toml
index 81d351285..543ba15c1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -73,7 +73,7 @@ test = [
     "passlib[bcrypt] >=1.7.2,<2.0.0",
 
     # types
-    "types-ujson ==5.4.0",
+    "types-ujson ==5.5.0",
     "types-orjson ==3.6.2",
 ]
 doc = [