diff --git a/pyproject.toml b/pyproject.toml
index 4e1ec8e2..654c027e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ requires-python = ">=3.8"
 dependencies = [
     "httpx>=0.21.0,<1",
     "packaging",
-    "pydantic>1",
+    "pydantic>1.10.7",
     "typing_extensions>=4.5.0",
 ]
 optional-dependencies = { dev = [