diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 6b8097f..148b347 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 1.3.0
+current_version = 1.3.1
 commit = True
 tag = True
 
diff --git a/calphy/__init__.py b/calphy/__init__.py
index 4fabcad..a6e6715 100644
--- a/calphy/__init__.py
+++ b/calphy/__init__.py
@@ -4,7 +4,7 @@
 from calphy.alchemy import Alchemy
 from calphy.routines import MeltingTemp
 
-__version__ = "1.3.0"
+__version__ = "1.3.1"
 
 def addtest(a,b):
     return a+b
diff --git a/setup.py b/setup.py
index 20d6d0e..fd0858a 100644
--- a/setup.py
+++ b/setup.py
@@ -53,7 +53,7 @@
     packages=find_packages(include=['calphy', 'calphy.*']),
     test_suite='tests',
     url='https://github.com/ICAMS/calphy',
-    version='1.3.0',
+    version='1.3.1',
     zip_safe=False,
     entry_points={
         'console_scripts': [