diff --git a/features/org.eclipse.uml2-feature/feature.xml b/features/org.eclipse.uml2-feature/feature.xml
index f0aed8e..106b616 100644
--- a/features/org.eclipse.uml2-feature/feature.xml
+++ b/features/org.eclipse.uml2-feature/feature.xml
@@ -2,7 +2,7 @@
 <feature
       id="org.eclipse.uml2"
       label="%feature.label"
-      version="5.5.2.qualifier"
+      version="5.5.3.qualifier"
       provider-name="%feature.provider-name"
       image="eclipse_update_120.jpg"
       license-feature="org.eclipse.license"
@@ -13,7 +13,7 @@
    </description>
 
    <copyright url="http://www.eclipse.org/legal/epl-v20.html">
-      Copyright (c) 2003, 2020 IBM Corporation, Embarcadero Technologies, CEA, and others.
+      Copyright (c) 2003, 2022 IBM Corporation, Embarcadero Technologies, CEA, and others.
 All rights reserved.   This program and the accompanying materials
 are made available under the terms of the Eclipse Public License v2.0
 which accompanies this distribution, and is available at
diff --git a/features/org.eclipse.uml2.sdk-feature/feature.xml b/features/org.eclipse.uml2.sdk-feature/feature.xml
index 9b425de..ff56d44 100644
--- a/features/org.eclipse.uml2.sdk-feature/feature.xml
+++ b/features/org.eclipse.uml2.sdk-feature/feature.xml
@@ -2,7 +2,7 @@
 <feature
       id="org.eclipse.uml2.sdk"
       label="%feature.label"
-      version="5.5.2.qualifier"
+      version="5.5.3.qualifier"
       provider-name="%feature.provider-name"
       image="eclipse_update_120.jpg"
       license-feature="org.eclipse.license"
@@ -13,7 +13,7 @@
    </description>
 
    <copyright url="http://www.eclipse.org/legal/epl-v20.html">
-      Copyright (c) 2003, 2020 IBM Corporation, Embarcadero Technologies, CEA, and others.
+      Copyright (c) 2003, 2022 IBM Corporation, Embarcadero Technologies, CEA, and others.
 All rights reserved.   This program and the accompanying materials
 are made available under the terms of the Eclipse Public License v2.0
 which accompanies this distribution, and is available at
diff --git a/plugins/org.eclipse.uml2.sdk/META-INF/MANIFEST.MF b/plugins/org.eclipse.uml2.sdk/META-INF/MANIFEST.MF
index c625d5a..96bd9ad 100644
--- a/plugins/org.eclipse.uml2.sdk/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.uml2.sdk/META-INF/MANIFEST.MF
@@ -2,6 +2,6 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.uml2.sdk
-Bundle-Version: 5.5.2.qualifier
+Bundle-Version: 5.5.3.qualifier
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
diff --git a/plugins/org.eclipse.uml2.sdk/about.properties b/plugins/org.eclipse.uml2.sdk/about.properties
index 831b5e0..2910175 100644
--- a/plugins/org.eclipse.uml2.sdk/about.properties
+++ b/plugins/org.eclipse.uml2.sdk/about.properties
@@ -1,4 +1,4 @@
-# Copyright (c) 2020 Kenn Hussey and others.
+# Copyright (c) 2020, 2022 Kenn Hussey and others.
 # All rights reserved.   This program and the accompanying materials
 # are made available under the terms of the Eclipse Public License v2.0
 # which accompanies this distribution, and is available at
@@ -6,6 +6,7 @@
 #
 # Contributors: 
 #   Kenn Hussey - initial API and implementation
+#   Kenn Hussey - 581050
 #
 
 # NLS_MESSAGEFORMAT_VAR
@@ -21,5 +22,5 @@
 Version: {featureVersion}\n\
 Build id: {0}\n\
 \n\
-(c) Copyright Eclipse contributors and others 2003, 2020.  All rights reserved.\n\
+(c) Copyright Eclipse contributors and others 2003, 2022.  All rights reserved.\n\
 Visit http://www.eclipse.org/uml2
diff --git a/plugins/org.eclipse.uml2/META-INF/MANIFEST.MF b/plugins/org.eclipse.uml2/META-INF/MANIFEST.MF
index 2b8e930..ce8d6fc 100644
--- a/plugins/org.eclipse.uml2/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.uml2/META-INF/MANIFEST.MF
@@ -2,6 +2,6 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.uml2
-Bundle-Version: 5.5.2.qualifier
+Bundle-Version: 5.5.3.qualifier
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
diff --git a/plugins/org.eclipse.uml2/about.properties b/plugins/org.eclipse.uml2/about.properties
index 4ad31e0..1d0b66f 100644
--- a/plugins/org.eclipse.uml2/about.properties
+++ b/plugins/org.eclipse.uml2/about.properties
@@ -1,4 +1,4 @@
-# Copyright (c) 2006, 2020 IBM Corporation, Embarcadero Technologies, and others.
+# Copyright (c) 2006, 2022 IBM Corporation, Embarcadero Technologies, and others.
 # All rights reserved.   This program and the accompanying materials
 # are made available under the terms of the Eclipse Public License v2.0
 # which accompanies this distribution, and is available at
@@ -7,7 +7,7 @@
 # Contributors: 
 #   IBM - initial API and implementation
 #   Kenn Hussey (Embarcadero Technologies) - 219804, 204200
-#   Kenn Hussey - 323181, 530555, 535301, 553523
+#   Kenn Hussey - 323181, 530555, 535301, 553523, 581050
 #   Kenn Hussey (CEA) - 286404, 485756, 511674
 #
 
diff --git a/releng/org.eclipse.uml2.build-feature/feature.xml b/releng/org.eclipse.uml2.build-feature/feature.xml
index b6ff721..466ee73 100644
--- a/releng/org.eclipse.uml2.build-feature/feature.xml
+++ b/releng/org.eclipse.uml2.build-feature/feature.xml
@@ -2,7 +2,7 @@
 <feature
       id="org.eclipse.uml2.build"
       label="Unified Modeling Language 2.x (UML2) Build Site"
-      version="5.5.2.qualifier"
+      version="5.5.3.qualifier"
       provider-name="%feature.provider-name"
       image="eclipse_update_120.jpg"
       license-feature="org.eclipse.license"
@@ -13,7 +13,7 @@
    </description>
 
    <copyright url="http://www.eclipse.org/legal/epl-v20.html">
-      Copyright (c) 2011, 2020 CEA and others.
+      Copyright (c) 2011, 2022 CEA and others.
 All rights reserved.   This program and the accompanying materials
 are made available under the terms of the Eclipse Public License v2.0
 which accompanies this distribution, and is available at
diff --git a/releng/org.eclipse.uml2.build-feature/pom.xml b/releng/org.eclipse.uml2.build-feature/pom.xml
index 39c06c8..8eed0ed 100644
--- a/releng/org.eclipse.uml2.build-feature/pom.xml
+++ b/releng/org.eclipse.uml2.build-feature/pom.xml
@@ -10,7 +10,7 @@
   </parent>
   <groupId>org.eclipse.uml2</groupId>
   <artifactId>org.eclipse.uml2.build</artifactId>
-  <version>5.5.2-SNAPSHOT</version>
+  <version>5.5.3-SNAPSHOT</version>
   <packaging>eclipse-repository</packaging>
   <build>
     <resources>
diff --git a/releng/org.eclipse.uml2.releng.tycho/pom.xml b/releng/org.eclipse.uml2.releng.tycho/pom.xml
index d8b3948..2ee42df 100644
--- a/releng/org.eclipse.uml2.releng.tycho/pom.xml
+++ b/releng/org.eclipse.uml2.releng.tycho/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-   Copyright (c) 2017, 2018 Willink Transformations and others.
+   Copyright (c) 2017, 2022 Willink Transformations and others.
 
    All rights reserved. This program and the accompanying materials
    are made available under the terms of the Eclipse Public License v2.0