diff --git a/_version.py b/_version.py
index 0e6a7e3..bdc3e89 100644
--- a/_version.py
+++ b/_version.py
@@ -2,4 +2,4 @@
 Kraken version information.
 """
 
-__version__ = "4.5.6"
+__version__ = "4.5.7"