diff --git a/setup.cfg b/setup.cfg
index dcb9705..ee72f8e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.3.3
+current_version = 0.4.0
 commit = True
 tag = True
 
diff --git a/setup.py b/setup.py
index dd955b7..31ad99c 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 
 setuptools.setup(
     name="piven",
-    version="0.3.3",
+    version="0.4.0",
     description="Prediction Intervals with specific value prediction",
     url="https://gitlab.com/jasperginn/piven.py",
     author="Jasper Ginn",
diff --git a/src/piven/__init__.py b/src/piven/__init__.py
index ddc221b..ffeec70 100644
--- a/src/piven/__init__.py
+++ b/src/piven/__init__.py
@@ -2,4 +2,4 @@
 
 logging.getLogger(__name__).addHandler(logging.NullHandler())
 
-__version__ = "0.3.3"
+__version__ = "0.4.0"