diff --git a/pyproject.toml b/pyproject.toml
index 796828d..6aa79d1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ dependencies = [
     "boto3==1.26.41",
     "numpy>=1.23.4,<1.25",
     "pandas==1.5.2",
-    "orjson==3.8.5",
+    "orjson==3.9.15",
     "ujson==5.7.0",
     "stream-unzip==0.0.78",
     "pydantic==2.1.1",