diff --git a/GPy/__version__.py b/GPy/__version__.py
index 3e2f46a3..d69d16e9 100644
--- a/GPy/__version__.py
+++ b/GPy/__version__.py
@@ -1 +1 @@
-__version__ = "0.9.0"
+__version__ = "0.9.1"
diff --git a/setup.cfg b/setup.cfg
index 0a6fc3a3..3bd43718 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.9.0
+current_version = 0.9.1
 tag = True
 commit = True