diff --git a/setup.py b/setup.py
index f5e2352e3..92e8089e5 100644
--- a/setup.py
+++ b/setup.py
@@ -58,7 +58,7 @@ base = [
     "paddlespeech_feat",
     "praatio>=5.0.0, <=5.1.1",
     "prettytable",
-    "pydantic>=1.10.14, < 2.0",
+    "pydantic>=1.10.14, <2.0",
     "pypinyin<=0.44.0",
     "pypinyin-dict",
     "python-dateutil",