diff --git a/doc/modules/ROOT/pages/single_document.adoc b/doc/modules/ROOT/pages/single_document.adoc
index db9b21ae7eb..99834f23c9a 100644
--- a/doc/modules/ROOT/pages/single_document.adoc
+++ b/doc/modules/ROOT/pages/single_document.adoc
@@ -1,7 +1,7 @@
 = OpenEMS - Open Energy Management System
 ifndef::toc[]
 (c) 2020 OpenEMS Association e.V.
-Version 2021.10.0-SNAPSHOT
+Version 2021.10.0
 :sectnums:
 :sectnumlevels: 4
 :toc:
diff --git a/io.openems.common/src/io/openems/common/OpenemsConstants.java b/io.openems.common/src/io/openems/common/OpenemsConstants.java
index 425689b8e4d..6e021c3eee3 100644
--- a/io.openems.common/src/io/openems/common/OpenemsConstants.java
+++ b/io.openems.common/src/io/openems/common/OpenemsConstants.java
@@ -32,7 +32,7 @@ public class OpenemsConstants {
 	/**
 	 * The additional version string
 	 */
-	public final static String VERSION_STRING = "SNAPSHOT";
+	public final static String VERSION_STRING = "";
 
 	/**
 	 * The complete version as a SemanticVersion.
diff --git a/ui/package-lock.json b/ui/package-lock.json
index 1154ecbc3a6..9d304a16ef2 100644
--- a/ui/package-lock.json
+++ b/ui/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "openems-ui",
-  "version": "2021.10.0-SNAPSHOT",
+  "version": "2021.10.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
diff --git a/ui/package.json b/ui/package.json
index 129baeb1f47..009a88073db 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -1,6 +1,6 @@
 {
   "name": "openems-ui",
-  "version": "2021.10.0-SNAPSHOT",
+  "version": "2021.10.0",
   "author": "OpenEMS Association e.V.",
   "homepage": "http://openems.io",
   "scripts": {
diff --git a/ui/src/app/user/user.component.html b/ui/src/app/user/user.component.html
index 371e0e11527..b5c0508ed24 100644
--- a/ui/src/app/user/user.component.html
+++ b/ui/src/app/user/user.component.html
@@ -96,8 +96,8 @@
                 <a target="_blank" href="https://openems.io" translate>About.openEMS</a>
               </li>
               <li>
-                <a target="_blank" href="https://github.com/OpenEMS/openems/tree/develop">
-                  <span translate>About.build</span>: 2021.10.0-SNAPSHOT</a>
+                <a target="_blank" href="https://github.com/OpenEMS/openems/releases/tag/2021.10.0">
+                  <span translate>About.build</span>: 2021.10.0 (2021-05-20)</a>
               </li>
             </ul>
             <p class="ion-padding">