diff --git a/voicevox/__init__.py b/voicevox/__init__.py
index f47bac0..b05ae40 100644
--- a/voicevox/__init__.py
+++ b/voicevox/__init__.py
@@ -18,4 +18,4 @@
     "Style",
     "SupportedFeature",
 )
-__version__ = "0.4.0"
+__version__ = "0.4.1"