diff --git a/Cargo.lock b/Cargo.lock
index 16953521..3657a2fb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -544,7 +544,7 @@ dependencies = [
 
 [[package]]
 name = "ruruby"
-version = "0.3.0"
+version = "0.3.1"
 dependencies = [
  "ansi_term 0.12.1",
  "arraystring",
diff --git a/Cargo.toml b/Cargo.toml
index 97e90090..de26b8cf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ruruby"
-version = "0.3.0"
+version = "0.3.1"
 authors = ["monochrome <sisshiki@mac.com>"]
 edition = "2018"
 license-file = "LICENSE"