diff --git a/kilter/protocol/__init__.py b/kilter/protocol/__init__.py
index 2da08e3afddf298f013179165eee2a32e1cdf91e..7e761a54004bdc97f955b4f487825c8a714ce55d 100644
--- a/kilter/protocol/__init__.py
+++ b/kilter/protocol/__init__.py
@@ -20,4 +20,4 @@ from .messages import *
 if TYPE_CHECKING:
 	from .buffer import FixedSizeBuffer as FixedSizeBuffer
 
-__version__ = "0.4.0"
+__version__ = "0.5.0"