diff --git a/clients/python/pyproject.toml b/clients/python/pyproject.toml
index 7e71f0e4..915ac7aa 100644
--- a/clients/python/pyproject.toml
+++ b/clients/python/pyproject.toml
@@ -12,7 +12,7 @@ repository = "https://github.com/huggingface/text-generation-inference"
 
 [tool.poetry.dependencies]
 python = "^3.7"
-pydantic = ">1.10"
+pydantic = "> 1.10, < 3"
 aiohttp = "^3.8"
 huggingface-hub = ">= 0.12, < 1.0"