diff --git a/notebook/_version.py b/notebook/_version.py
index c9ebd7ec4..223bc6c43 100644
--- a/notebook/_version.py
+++ b/notebook/_version.py
@@ -5,9 +5,9 @@ store the current version info of the notebook.
 
 # Downstream maintainer, when running `python.setup.py jsversion`,
 # the version string is propagated to the JavaScript files,  do not forget to
-# patch the JavaScript files in `.postN` release done by distributions. 
+# patch the JavaScript files in `.postN` release done by distributions.
 
-# Next beta/alpha/rc release: The version number for beta is X.Y.ZbN **without dots**. 
+# Next beta/alpha/rc release: The version number for beta is X.Y.ZbN **without dots**.
 
-version_info = (5, 7, 0, '.dev0')
+version_info = (5, 7, 0)
 __version__ = '.'.join(map(str, version_info[:3])) + ''.join(version_info[3:])
diff --git a/notebook/static/base/js/namespace.js b/notebook/static/base/js/namespace.js
index 278cd1e4a..85db77f10 100644
--- a/notebook/static/base/js/namespace.js
+++ b/notebook/static/base/js/namespace.js
@@ -73,7 +73,7 @@ define(function(){
     // tree
     jglobal('SessionList','tree/js/sessionlist');
 
-    Jupyter.version = "5.7.0.dev0";
+    Jupyter.version = "5.7.0";
     Jupyter._target = '_blank';
     return Jupyter;
 });