diff --git a/karton/core/__version__.py b/karton/core/__version__.py
index d2f4a6f..4db5508 100644
--- a/karton/core/__version__.py
+++ b/karton/core/__version__.py
@@ -1 +1 @@
-__version__ = "5.3.3"
+__version__ = "5.3.4"