diff --git a/Dockerfile b/Dockerfile
index ecae55b..8a72f79 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ FROM quay.io/hdc-workflows/ubuntu:20.04
 ADD http://date.jsontest.com /etc/builddate
 
 LABEL maintainer "Jared Galloway <jgallowa@fredhutch.rg>" \
-      version "1.3.0" \
+      version "1.3.1" \
       description "Common PhIP-Seq Workflows"
 
 # install needed tools
@@ -30,4 +30,4 @@ RUN python3 -m venv $VIRTUAL_ENV
 ENV PATH="$VIRTUAL_ENV/bin:$PATH"
 
 # install phippery
-RUN pip install git+https://github.com/matsengrp/phippery@1.3.0
+RUN pip install git+https://github.com/matsengrp/phippery@1.3.1
diff --git a/phippery/__init__.py b/phippery/__init__.py
index 72e67d7..c140226 100644
--- a/phippery/__init__.py
+++ b/phippery/__init__.py
@@ -1,7 +1,7 @@
 # __init__.py
 
 
-__version__ = "1.3.0"
+__version__ = "1.3.1"
 
 from phippery.utils import *
 import phippery.normalize
diff --git a/pyproject.toml b/pyproject.toml
index 4dcd9ef..884364e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ build-backend = "setuptools.build_meta"
 [project]
 name = "phippery"
 
-version = "1.3.0"
+version = "1.3.1"
 
 description = "Tools for analyzing PhIP-Seq Data."
 readme = "README.md"
@@ -63,7 +63,7 @@ phippery = "phippery.cli:cli"
 
 [tool.bumpver]
 
-current_version = "1.3.0"
+current_version = "1.3.1"
 
 version_pattern = "MAJOR.MINOR.PATCH"
 commit_message = "bump version {old_version} -> {new_version}"