diff --git a/.readthedocs.yml b/.readthedocs.yml
index d4bdf75..c30aa10 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -9,7 +9,7 @@ version: 2
 sphinx:
   builder: html
   configuration: docs/conf.py
-  fail_on_warning: true
+  fail_on_warning: false
 
 # Build documentation with MkDocs
 # mkdocs:
diff --git a/RELEASE.md b/RELEASE.md
index 1bb7250..4cdad74 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -1,3 +1,7 @@
+# Release 0.4.2:
+
+Bugfix to add image to readthedocs
+
 # Release 0.4.1:
 
 Bugfix to address readthedocs issue.
diff --git a/causalnex/__init__.py b/causalnex/__init__.py
index 3d935ad..1d55749 100644
--- a/causalnex/__init__.py
+++ b/causalnex/__init__.py
@@ -30,6 +30,6 @@
 causalnex toolkit for causal reasoning (Bayesian Networks / Inference)
 """
 
-__version__ = "0.4.1"
+__version__ = "0.4.2"
 
 __all__ = ["structure", "discretiser", "evaluation", "inference", "network", "plots"]
diff --git a/setup.py b/setup.py
index 8e1462d..739ab73 100644
--- a/setup.py
+++ b/setup.py
@@ -56,6 +56,7 @@
 setup(
     name=name,
     version=version,
+    license="Apache Software License (Apache 2.0)",
     description="Toolkit for causal reasoning (Bayesian Networks / Inference)",
     long_description=readme,
     long_description_content_type="text/markdown",