diff --git a/diylc/diylc-core/src/org/diylc/presenter/update.xml b/diylc/diylc-core/src/org/diylc/presenter/update.xml
index a8db18ac..cbdf7d1c 100644
--- a/diylc/diylc-core/src/org/diylc/presenter/update.xml
+++ b/diylc/diylc-core/src/org/diylc/presenter/update.xml
@@ -2843,7 +2843,7 @@
 				<minor>2</minor>
 				<build>0</build>
 			</versionNumber>
-			<releaseDate>2020-04-03 00:00:00.000 CET</releaseDate>
+			<releaseDate>2020-04-05 00:00:00.000 CET</releaseDate>
 			<name></name>
 			<changes>			
 				<org.diylc.appframework.update.Change>
diff --git a/diylc/diylc-library/lib/diylc-core.jar b/diylc/diylc-library/lib/diylc-core.jar
index 5e292c76..07a5a6cb 100644
Binary files a/diylc/diylc-library/lib/diylc-core.jar and b/diylc/diylc-library/lib/diylc-core.jar differ
diff --git a/diylc/diylc-swing/build.xml b/diylc/diylc-swing/build.xml
index 55c20572..599056fb 100644
--- a/diylc/diylc-swing/build.xml
+++ b/diylc/diylc-swing/build.xml
@@ -10,7 +10,7 @@
 	<property name="jar.dir" value="${build.dir}/jar" />
 	<property name="report.dir" value="${build.dir}/junitreport" />
 	<property name="main.class" value="org.diylc.DIYLCStarter" />
-	<property name="diylc.version" value="4.1.0" />
+	<property name="diylc.version" value="4.2.0" />
 
 	<property name="classes.dir" value="${build.dir}/temp/${ant.project.name}/classes" />
 	<property name="test.classes.dir" value="${build.dir}/temp/${ant.project.name}/test.classes" />
diff --git a/diylc/diylc-swing/lib/diylc-core.jar b/diylc/diylc-swing/lib/diylc-core.jar
index 5e292c76..07a5a6cb 100644
Binary files a/diylc/diylc-swing/lib/diylc-core.jar and b/diylc/diylc-swing/lib/diylc-core.jar differ
diff --git a/diylc/diylc-swing/library/main.jar b/diylc/diylc-swing/library/main.jar
index 6ea5d242..044559ab 100644
Binary files a/diylc/diylc-swing/library/main.jar and b/diylc/diylc-swing/library/main.jar differ