diff --git a/Project.toml b/Project.toml
index 5f8e5ad..b4adab6 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "PTYQoL"
 uuid = "551ad714-b11a-4605-8871-12721def4e72"
 authors = ["Tianyi Pu <912396513@qq.com> and contributors"]
-version = "0.3.0"
+version = "0.3.1"
 
 [weakdeps]
 AlgebraicNumbers = "e86d093a-a386-599e-b7c7-df0420c8bcba"