diff --git a/docs/conf.py b/docs/conf.py
index a512575..68c374e 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -58,9 +58,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = u'0.9.0'
+version = u'0.9.1'
 # The full version, including alpha/beta/rc tags.
-release = u'0.9.0'
+release = u'0.9.1'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/pyproject.toml b/pyproject.toml
index a517ec2..94cdb04 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "tableone"
-version = "0.9.0"
+version = "0.9.1"
 authors = [
   { name="Tom Pollard", email="tpollard@mit.edu" },
   { name="Alistair Johnson" },
diff --git a/tableone/__init__.py b/tableone/__init__.py
index 6fe9faa..0e61790 100644
--- a/tableone/__init__.py
+++ b/tableone/__init__.py
@@ -1,4 +1,4 @@
 from .tableone import TableOne, load_dataset, tableone
 
 __author__ = "Tom Pollard <tpollard@mit.edu>, Alistair Johnson, Jesse Raffa"
-__version__ = "0.9.0"
+__version__ = "0.9.1"