diff --git a/platform/viewer/CHANGELOG.md b/platform/viewer/CHANGELOG.md
index ca7b98371..cd607cbc7 100644
--- a/platform/viewer/CHANGELOG.md
+++ b/platform/viewer/CHANGELOG.md
@@ -3,6 +3,17 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [4.1.0](https://github.com/OHIF/Viewers/compare/@ohif/viewer@4.0.0...@ohif/viewer@4.1.0) (2020-05-15)
+
+
+### Features
+
+* expose some app internals as window.app ([#1735](https://github.com/OHIF/Viewers/issues/1735)) ([63fd656](https://github.com/OHIF/Viewers/commit/63fd65690cba450721870a6222e0fb3ad71bb291))
+
+
+
+
+
 # [4.0.0](https://github.com/OHIF/Viewers/compare/@ohif/viewer@3.11.11...@ohif/viewer@4.0.0) (2020-05-14)
 
 
diff --git a/platform/viewer/package.json b/platform/viewer/package.json
index 76e44321c..87d4f5845 100644
--- a/platform/viewer/package.json
+++ b/platform/viewer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ohif/viewer",
-  "version": "4.0.0",
+  "version": "4.1.0",
   "description": "OHIF Viewer",
   "author": "OHIF Contributors",
   "license": "MIT",