diff --git a/pyfaidx/__init__.py b/pyfaidx/__init__.py
index b9f471c..2002d8c 100644
--- a/pyfaidx/__init__.py
+++ b/pyfaidx/__init__.py
@@ -21,7 +21,7 @@
 
 dna_bases = re.compile(r'([ACTGNactgnYRWSKMDVHBXyrwskmdvhbx]+)')
 
-__version__ = '0.4.1.1'
+__version__ = '0.4.2'
 
 
 class FastaIndexingError(Exception):