diff --git a/CHANGELOG.md b/CHANGELOG.md
index ed8b499c..d52c1124 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## Next Release
 
+## 0.21.0
+
 ### Updates
 
 - Added support for http requests session adapter configuration
@@ -12,6 +14,7 @@
 ### Bug Fixes
 
 - Support `notebook>=7.0.0`
+- Pin Docker.jupyter `notebook==6.5.5`
 
 ## 0.20.5
 
diff --git a/autovizwidget/autovizwidget/__init__.py b/autovizwidget/autovizwidget/__init__.py
index 7644f51e..6a726d85 100644
--- a/autovizwidget/autovizwidget/__init__.py
+++ b/autovizwidget/autovizwidget/__init__.py
@@ -1 +1 @@
-__version__ = "0.20.5"
+__version__ = "0.21.0"
diff --git a/hdijupyterutils/hdijupyterutils/__init__.py b/hdijupyterutils/hdijupyterutils/__init__.py
index 7644f51e..6a726d85 100644
--- a/hdijupyterutils/hdijupyterutils/__init__.py
+++ b/hdijupyterutils/hdijupyterutils/__init__.py
@@ -1 +1 @@
-__version__ = "0.20.5"
+__version__ = "0.21.0"
diff --git a/sparkmagic/sparkmagic/__init__.py b/sparkmagic/sparkmagic/__init__.py
index dbd2ea84..24f5b69d 100644
--- a/sparkmagic/sparkmagic/__init__.py
+++ b/sparkmagic/sparkmagic/__init__.py
@@ -1,6 +1,8 @@
-__version__ = "0.20.5"
+__version__ = "0.21.0"
 
-from sparkmagic.serverextension.handlers import load_jupyter_server_extension
+from sparkmagic.serverextension.handlers import (
+    load_jupyter_server_extension,
+)  # noqa: #501
 
 
 def _jupyter_server_extension_paths():