diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index e9785bf..7c5dfe9 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.8.0
+current_version = 0.9.0
 commit = True
 tag = True
 
diff --git a/setup.py b/setup.py
index e51b4c6..a2854b9 100644
--- a/setup.py
+++ b/setup.py
@@ -58,7 +58,7 @@
     test_suite='tests',
     tests_require=test_requirements,
     url='https://github.com/ICAMS/calphy',
-    version='0.8.0',
+    version='0.9.0',
     zip_safe=False,
     entry_points={
         'console_scripts': [