diff --git a/changelog.txt b/changelog.txt
index 302b3702..d7423941 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,7 +1,7 @@
 OPENSEADRAGON CHANGELOG
 =======================
 
-2.4.0: (In Progress)
+2.4.0:
 
 * BREAKING CHANGE: Viewer's canvas-double-click event is now fired before it initiates the zoom (#1288)
 * You can now flip the viewport to get a mirror image of the original (#1441)
diff --git a/package.json b/package.json
index a85bfdde..75a054cc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "openseadragon",
-  "version": "2.3.1",
+  "version": "2.4.0",
   "description": "Provides a smooth, zoomable user interface for HTML/Javascript.",
   "keywords": [
     "image",