diff --git a/src/assistant/pyproject.toml b/src/assistant/pyproject.toml
index 2fd27e0..a3a4a2c 100644
--- a/src/assistant/pyproject.toml
+++ b/src/assistant/pyproject.toml
@@ -25,7 +25,7 @@ asyncpg = "^0.28.0"
 fastapi = "0.103.1"
 greenlet = "^2.0.2"
 httpx = "^0.25.0"
-orjson = "^3.9.7"
+orjson = "3.9.7"
 psycopg2 = "^2.9.7"
 pydantic = {extras = ["email"], version = "^2.3.0"}
 pydantic-settings = "^2.0.3"