diff --git a/setup.py b/setup.py
index a0d0702cedd476251e484e9b8ea080d505f5c674..1cae416d1c80b7d9849177485e21fd331cb79df0 100755
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@ def read(fname):
 
 setup(
     name='newick',
-    version="0.9.0",
+    version="0.9.1",
     description='A python module to read and write the Newick format',
     long_description=read("README.md"),
     long_description_content_type="text/markdown",
diff --git a/src/newick.py b/src/newick.py
index aae59a167e8fe0bb18452bba893be78a5cd0d9a5..f7e8b3bf4bf60ac108a09521a7e14c7fd07e4b9f 100644
--- a/src/newick.py
+++ b/src/newick.py
@@ -8,7 +8,7 @@ from __future__ import unicode_literals
 import io
 import re
 
-__version__ = "0.9.0"
+__version__ = "0.9.1"
 
 RESERVED_PUNCTUATION = ':;,()'
 COMMENT = re.compile('\[[^\]]*\]')