diff --git a/platform/viewer/CHANGELOG.md b/platform/viewer/CHANGELOG.md
index 36af41b86..1c006f6ec 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.
 
+## [3.8.4](https://github.com/OHIF/Viewers/compare/@ohif/viewer@3.8.3...@ohif/viewer@3.8.4) (2020-03-19)
+
+
+### Bug Fixes
+
+* Only permit web workers to be initialized once. ([#1535](https://github.com/OHIF/Viewers/issues/1535)) ([9feadd3](https://github.com/OHIF/Viewers/commit/9feadd3c6d71c1c48f7825d024ccf95d5d82606d))
+
+
+
+
+
 ## [3.8.3](https://github.com/OHIF/Viewers/compare/@ohif/viewer@3.8.2...@ohif/viewer@3.8.3) (2020-03-17)
 
 **Note:** Version bump only for package @ohif/viewer
diff --git a/platform/viewer/package.json b/platform/viewer/package.json
index ec6c3688a..dff946553 100644
--- a/platform/viewer/package.json
+++ b/platform/viewer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ohif/viewer",
-  "version": "3.8.3",
+  "version": "3.8.4",
   "description": "OHIF Viewer",
   "author": "OHIF Contributors",
   "license": "MIT",