diff --git a/mltb2/__init__.py b/mltb2/__init__.py
index 881634a..6355b2c 100644
--- a/mltb2/__init__.py
+++ b/mltb2/__init__.py
@@ -7,4 +7,4 @@
 # Versioning follows the Semantic Versioning Specification: https://semver.org/ and
 # PEP 440 -- Version Identification and Dependency Specification:
 # https://www.python.org/dev/peps/pep-0440/
-__version__ = "0.4.3"
+__version__ = "0.4.4rc1"