diff --git a/pyproject.toml b/pyproject.toml
index 6b79776..fbb1a26 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ dev = [
     # Production requirements
     "aiohttp==3.11.18",
     "mashumaro==3.15",
-    "orjson==3.10.16",
+    "orjson==3.10.18",
 
     # Test requirements
     "aioresponses==0.7.8",