diff --git a/pyproject.toml b/pyproject.toml
index 5fd8be349..8e53063b6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,6 +28,7 @@ dependencies = [
   "aiohttp>=3.10.11,<3.12",
   "cryptography>=43.0.1,<45",
   "grpcio>=1.53.2,<1.69",
+  "multidict<7.0,>=4.5",
   "protobuf>=4.21.12,<5.29",
   "pydantic<3,>=2.6",
   "pydantic-settings<3,>=2.3",