diff --git a/README.md b/README.md
index edb1c99..f21de3a 100755
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # kb-python
-![github version](https://img.shields.io/badge/Version-0.26.3-informational)
-[![pypi version](https://img.shields.io/pypi/v/kb-python)](https://pypi.org/project/kb-python/0.26.3/)
+![github version](https://img.shields.io/badge/Version-0.26.4-informational)
+[![pypi version](https://img.shields.io/pypi/v/kb-python)](https://pypi.org/project/kb-python/0.26.4/)
 ![python versions](https://img.shields.io/pypi/pyversions/kb_python)
 ![status](https://github.com/pachterlab/kb_python/workflows/CI/badge.svg)
 [![codecov](https://codecov.io/gh/pachterlab/kb_python/branch/master/graph/badge.svg)](https://codecov.io/gh/pachterlab/kb_python)
diff --git a/docs/conf.py b/docs/conf.py
index 92086df..fd61c45 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -24,7 +24,7 @@
 author = 'Kyung Hoi (Joseph) Min'
 
 # The full version, including alpha/beta/rc tags
-release = '0.26.3'
+release = '0.26.4'
 master_doc = 'index'
 
 # -- General configuration ---------------------------------------------------
diff --git a/docs/index.rst b/docs/index.rst
index 8131c3d..67d9129 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -6,7 +6,7 @@
 Welcome to kb-python's documentation!
 =====================================
 
-This page contains **DEVELOPER** documentation for ``kb-python`` version ``0.26.3``.
+This page contains **DEVELOPER** documentation for ``kb-python`` version ``0.26.4``.
 For user documentation and tutorials, please go to `kallisto | bustools <https://www.kallistobus.tools/>`_.
 
 Development Prerequisites
diff --git a/kb_python/__init__.py b/kb_python/__init__.py
index be36382..cddea31 100644
--- a/kb_python/__init__.py
+++ b/kb_python/__init__.py
@@ -1 +1 @@
-__version__ = '0.26.3'
+__version__ = '0.26.4'
diff --git a/setup.cfg b/setup.cfg
index 143b8d0..37aac3a 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.26.3
+current_version = 0.26.4
 commit = True
 tag = True
 
diff --git a/setup.py b/setup.py
index 45727fd..63e036e 100755
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,7 @@ def read(path):
 
 setup(
     name='kb_python',
-    version='0.26.3',
+    version='0.26.4',
     url='https://github.com/pachterlab/kb_python',
     author='Kyung Hoi (Joseph) Min',
     author_email='phoenixter96@gmail.com',