diff --git a/benchmark/requirements.txt b/benchmark/requirements.txt
index 43d4e31..7d7c100 100644
--- a/benchmark/requirements.txt
+++ b/benchmark/requirements.txt
@@ -7,4 +7,4 @@ pytest-timeout>=2.4.0
 # until a litellm release makes that import lazy; litellm[proxy] is NOT an
 # option (its granian pin is unresolvable).
 fastapi>=0.139.2
-orjson>=3.10
+orjson>=3.11.9