diff --git a/package.json b/package.json
index 5c4d21b8c..d8017bfed 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "redash-client",
-  "version": "3.0.0",
+  "version": "4.0.0",
   "description": "The frontend part of Redash.",
   "main": "index.js",
   "scripts": {
diff --git a/redash/__init__.py b/redash/__init__.py
index 6bfd5b6f0..9536436b6 100644
--- a/redash/__init__.py
+++ b/redash/__init__.py
@@ -18,7 +18,7 @@ from redash.query_runner import import_query_runners
 from redash.destinations import import_destinations
 
 
-__version__ = '3.0.0'
+__version__ = '4.0.0'
 
 
 def setup_logging():