diff --git a/CITATION.cff b/CITATION.cff
index a7ee1f4..d20769f 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -14,7 +14,7 @@ authors:
 
 date-released: 2023-10-19
 doi: 10.5281/zenodo.10018768.
-version: "0.3.0"
+version: "0.4.0"
 repository-code: "git@github.com:dianna-ai/distance_explainer"
 keywords:
   - XAI
diff --git a/docs/conf.py b/docs/conf.py
index 2a1910c..ae0b583 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -26,7 +26,7 @@
 # built documents.
 #
 # The short X.Y version.
-version = "0.3.0"
+version = "0.4.0"
 # The full version, including alpha/beta/rc tags.
 release = version
 
diff --git a/setup.cfg b/setup.cfg
index 4466cf7..9001ca6 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -26,7 +26,7 @@ name = distance_explainer
 project_urls =
     Bug Tracker = https://github.com/dianna-ai/distance_explainer/issues
 url = https://github.com/dianna-ai/distance_explainer
-version = 0.3.0
+version = 0.4.0
 
 [options]
 python_requires = >=3.9
diff --git a/src/distance_explainer.py b/src/distance_explainer.py
index b945702..d09311f 100644
--- a/src/distance_explainer.py
+++ b/src/distance_explainer.py
@@ -12,7 +12,7 @@
 
 __author__ = "Christiaan Meijer"
 __email__ = "c.meijer@esciencecenter.nl"
-__version__ = "0.3.0"
+__version__ = "0.4.0"
 
 
 class DistanceExplainer: