diff --git a/pyproject.toml b/pyproject.toml
index 008f545..acc7f25 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,7 @@ classifiers = [
 ]
 dependencies = [
     "aiohttp==3.8.4",
-    "orjson==3.8.10",
+    "orjson==3.9.1",
     "matter-exceptions>=1.1.0",
     "requests==2.28.2",
 ]