diff --git a/CHANGELOG.md b/CHANGELOG.md
index dbf0beb08..f747d7a9c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-## [4.0.0-OS6] - 2021-05-14
+## [4.0.0-OS5] - 2021-05-14
 ### Fix
 - Close button has an incorrect name after setting button caption as "Empty" (Android) [RMET-331](https://outsystemsrd.atlassian.net/browse/RMET-331)
 
diff --git a/package.json b/package.json
index 2bf1d3070..864d87cdd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cordova-plugin-inappbrowser",
-  "version": "4.0.0-OS6",
+  "version": "4.0.0-OS5",
   "description": "Cordova InAppBrowser Plugin",
   "types": "./types/index.d.ts",
   "cordova": {
diff --git a/plugin.xml b/plugin.xml
index 5fd0100ed..493d94210 100644
--- a/plugin.xml
+++ b/plugin.xml
@@ -20,7 +20,7 @@
 
 <plugin xmlns="http://apache.org/cordova/ns/plugins/1.0"
            id="cordova-plugin-inappbrowser"
-      version="4.0.0-OS6">
+      version="4.0.0-OS5">
 
     <name>InAppBrowser</name>
     <description>Cordova InAppBrowser Plugin</description>