diff --git a/poetry.lock b/poetry.lock
index 0d4b81e..d254d6a 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -444,7 +444,7 @@ dev = ["pytest (>=4.6.2)", "black (>=19.3b0)"]
 [metadata]
 lock-version = "1.1"
 python-versions = ">=3.8,<3.11"
-content-hash = "75db6c91fb15f8bcca741b8c32639dcbf4e218d2bdd4c69c55ddcda45a6ecc6f"
+content-hash = "017f5bfe4b0f306832566b143b952eb602a5af53521bc0fd7591eea020ef6c49"
 
 [metadata.files]
 appdirs = [
diff --git a/pyproject.toml b/pyproject.toml
index e5c2775..6c069d7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "MockingBirdForUse"
-version = "0.2.0"
+version = "0.2.1"
 description = ""
 authors = ["meetwq <meetwq@gmail.com>"]
 
@@ -11,7 +11,7 @@ scipy = "^1.8.0"
 librosa = "^0.9.0"
 numpy = "^1.19.0"
 numba = "^0.55.0"
-pypinyin = "^0.46.0"
+pypinyin = ">=0.40.0"
 webrtcvad = "^2.0.0"
 Unidecode = "^1.3.0"
 inflect = "^5.6.0"