diff --git a/doc/source/conf.py b/doc/source/conf.py
index 871f6523a..6ecddae80 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -11,6 +11,7 @@ sys.path.insert(0, os.path.abspath('../..'))
 extensions = [
     'sphinx.ext.autodoc',
     'sphinx.ext.doctest',
+    'sphinx.ext.inheritance_diagram',
     'sphinx.ext.intersphinx',
     'sphinx.ext.viewcode',
     'oslosphinx'
diff --git a/doc/source/exceptions.rst b/doc/source/exceptions.rst
index cc1c4d75a..f60cedafb 100644
--- a/doc/source/exceptions.rst
+++ b/doc/source/exceptions.rst
@@ -2,4 +2,8 @@
 Exceptions
 ----------
 
+.. inheritance-diagram::
+    taskflow.exceptions
+    :parts: 1
+
 .. automodule:: taskflow.exceptions