diff --git a/CHANGELOG.md b/CHANGELOG.md
index c48d66b..c58d8aa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [2.4.2] - 2020-11-10
 ### `scitos-hmx`
 #### Fixed
 - regression introduced in 2.4.1: misleading warning about failed save even though it was successful
@@ -116,7 +116,7 @@ The SVG export however is not affected by these changes. Labels and translations
     - other browsers (e.g. Chrome) might prevent this by default for local files (for security reasons), as this feature is realised via an embedded XSLT stylesheet (i.e. a script)
 
 
-[Unreleased]: https://github.com/scientific-tool-set/scitos/compare/v2.4.1...HEAD
+[2.4.2]: https://github.com/scientific-tool-set/scitos/compare/v2.4.1...v2.4.2
 [2.4.1]: https://github.com/scientific-tool-set/scitos/compare/v2.4.0...v2.4.1
 [2.4.0]: https://github.com/scientific-tool-set/scitos/compare/v2.3.1...v2.4.0
 [2.3.1]: https://github.com/scientific-tool-set/scitos/compare/v2.3.0...v2.3.1
diff --git a/pom.xml b/pom.xml
index 73f6997..4418582 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2,7 +2,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.hmx</groupId>
 	<artifactId>scitos</artifactId>
-	<version>2.4.2-SNAPSHOT</version>
+	<version>2.4.2</version>
 	<packaging>pom</packaging>
 	<name>scitos</name>
 	<description>parent project of SciToS</description>
@@ -27,7 +27,7 @@
         <connection>scm:git:ssh://git@github.com/scientific-tool-set/scitos.git</connection>
         <developerConnection>scm:git:ssh://git@github.com/scientific-tool-set/scitos.git</developerConnection>
         <url>https://github.com/scientific-tool-set/scitos</url>
-        <tag>HEAD</tag>
+        <tag>v2.4.2</tag>
     </scm>
 
 	<properties>
diff --git a/scitos.ais/pom.xml b/scitos.ais/pom.xml
index 5fe140c..4856221 100644
--- a/scitos.ais/pom.xml
+++ b/scitos.ais/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>org.hmx</groupId>
 		<artifactId>scitos</artifactId>
-		<version>2.4.2-SNAPSHOT</version>
+		<version>2.4.2</version>
 	</parent>
 	<artifactId>scitos.ais</artifactId>
 	<packaging>pom</packaging>
diff --git a/scitos.ais/scitos.ais.core/pom.xml b/scitos.ais/scitos.ais.core/pom.xml
index a111552..d034bb2 100644
--- a/scitos.ais/scitos.ais.core/pom.xml
+++ b/scitos.ais/scitos.ais.core/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>org.hmx</groupId>
 		<artifactId>scitos.ais</artifactId>
-		<version>2.4.2-SNAPSHOT</version>
+		<version>2.4.2</version>
 	</parent>
 	<artifactId>scitos.ais.core</artifactId>
 	<name>scitos.ais.core</name>
diff --git a/scitos.ais/scitos.ais.domain/pom.xml b/scitos.ais/scitos.ais.domain/pom.xml
index 6d69deb..f15b379 100644
--- a/scitos.ais/scitos.ais.domain/pom.xml
+++ b/scitos.ais/scitos.ais.domain/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>org.hmx</groupId>
 		<artifactId>scitos.ais</artifactId>
-		<version>2.4.2-SNAPSHOT</version>
+		<version>2.4.2</version>
 	</parent>
 	<artifactId>scitos.ais.domain</artifactId>
 	<description>domain project of the SciToS module AIS</description>
diff --git a/scitos.ais/scitos.ais.view/pom.xml b/scitos.ais/scitos.ais.view/pom.xml
index 49ff258..bf03155 100644
--- a/scitos.ais/scitos.ais.view/pom.xml
+++ b/scitos.ais/scitos.ais.view/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>org.hmx</groupId>
 		<artifactId>scitos.ais</artifactId>
-		<version>2.4.2-SNAPSHOT</version>
+		<version>2.4.2</version>
 	</parent>
 	<artifactId>scitos.ais.view</artifactId>
 	<name>scitos.ais.view</name>
diff --git a/scitos.core/pom.xml b/scitos.core/pom.xml
index 6be1688..c2d748f 100644
--- a/scitos.core/pom.xml
+++ b/scitos.core/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>org.hmx</groupId>
 		<artifactId>scitos</artifactId>
-		<version>2.4.2-SNAPSHOT</version>
+		<version>2.4.2</version>
 	</parent>
 	<artifactId>scitos.core</artifactId>
 	<name>scitos.core</name>
diff --git a/scitos.distribution/build-mac-app.sh b/scitos.distribution/build-mac-app.sh
index 6f5fa6f..e87dcc0 100755
--- a/scitos.distribution/build-mac-app.sh
+++ b/scitos.distribution/build-mac-app.sh
@@ -3,7 +3,7 @@
 # Special script for creating a Mac .app Bundle.
 # This is not portable, needs to be triggered manually and the following parameters need to be adjusted accordingly.
 #
-VERSION="2.4.2-SNAPSHOT"
+VERSION="2.4.2"
 JDK_HOME=/Library/Java/JavaVirtualMachines/adoptopenjdk-11.jdk/Contents/Home
 JRE_MODULES="java.base,java.compiler,java.desktop,java.prefs,java.scripting,java.sql.rowset,jdk.unsupported"
 
diff --git a/scitos.distribution/pom.xml b/scitos.distribution/pom.xml
index 5919cef..af72ec7 100644
--- a/scitos.distribution/pom.xml
+++ b/scitos.distribution/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>org.hmx</groupId>
 		<artifactId>scitos</artifactId>
-		<version>2.4.2-SNAPSHOT</version>
+		<version>2.4.2</version>
 	</parent>
 	<artifactId>scitos.distribution</artifactId>
 
diff --git a/scitos.domain/pom.xml b/scitos.domain/pom.xml
index c811b1d..7d4d480 100644
--- a/scitos.domain/pom.xml
+++ b/scitos.domain/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>org.hmx</groupId>
 		<artifactId>scitos</artifactId>
-		<version>2.4.2-SNAPSHOT</version>
+		<version>2.4.2</version>
 	</parent>
 	<artifactId>scitos.domain</artifactId>
 	<name>scitos.domain</name>
diff --git a/scitos.hmx/pom.xml b/scitos.hmx/pom.xml
index cbdaf61..dd3efa8 100644
--- a/scitos.hmx/pom.xml
+++ b/scitos.hmx/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>org.hmx</groupId>
 		<artifactId>scitos</artifactId>
-		<version>2.4.2-SNAPSHOT</version>
+		<version>2.4.2</version>
 	</parent>
 	<artifactId>scitos.hmx</artifactId>
 	<packaging>pom</packaging>
diff --git a/scitos.hmx/scitos.hmx.core/pom.xml b/scitos.hmx/scitos.hmx.core/pom.xml
index dbdb45b..988b2c2 100644
--- a/scitos.hmx/scitos.hmx.core/pom.xml
+++ b/scitos.hmx/scitos.hmx.core/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>org.hmx</groupId>
 		<artifactId>scitos.hmx</artifactId>
-		<version>2.4.2-SNAPSHOT</version>
+		<version>2.4.2</version>
 	</parent>
 	<artifactId>scitos.hmx.core</artifactId>
 	<name>scitos.hmx.core</name>
diff --git a/scitos.hmx/scitos.hmx.domain/pom.xml b/scitos.hmx/scitos.hmx.domain/pom.xml
index d3bc6b6..e3b9ab0 100644
--- a/scitos.hmx/scitos.hmx.domain/pom.xml
+++ b/scitos.hmx/scitos.hmx.domain/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>org.hmx</groupId>
 		<artifactId>scitos.hmx</artifactId>
-		<version>2.4.2-SNAPSHOT</version>
+		<version>2.4.2</version>
 	</parent>
 	<artifactId>scitos.hmx.domain</artifactId>
 	<description>domain project of the SciToS module HmX</description>
diff --git a/scitos.hmx/scitos.hmx.view/pom.xml b/scitos.hmx/scitos.hmx.view/pom.xml
index f51f0dd..cbe59db 100644
--- a/scitos.hmx/scitos.hmx.view/pom.xml
+++ b/scitos.hmx/scitos.hmx.view/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>org.hmx</groupId>
 		<artifactId>scitos.hmx</artifactId>
-		<version>2.4.2-SNAPSHOT</version>
+		<version>2.4.2</version>
 	</parent>
 	<artifactId>scitos.hmx.view</artifactId>
 	<name>scitos.hmx.view</name>
diff --git a/scitos.view/pom.xml b/scitos.view/pom.xml
index f4f391d..e81fc3d 100644
--- a/scitos.view/pom.xml
+++ b/scitos.view/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>org.hmx</groupId>
 		<artifactId>scitos</artifactId>
-		<version>2.4.2-SNAPSHOT</version>
+		<version>2.4.2</version>
 	</parent>
 	<artifactId>scitos.view</artifactId>
 	<name>scitos.view</name>