diff --git a/.mvn/extensions.xml b/.mvn/extensions.xml
index c40fd37..e94bbfe 100644
--- a/.mvn/extensions.xml
+++ b/.mvn/extensions.xml
@@ -3,11 +3,11 @@
 	<extension>
 		<groupId>org.eclipse.tycho.extras</groupId>
 		<artifactId>tycho-pomless</artifactId>
-		<version>1.7.0</version>
+		<version>2.1.0</version>
 	</extension>
 	<extension>
 		<groupId>org.palladiosimulator</groupId>
 		<artifactId>tycho-tp-refresh-maven-plugin</artifactId>
-		<version>0.2.5</version>
+		<version>0.2.6</version>
 	</extension>
 </extensions>
diff --git a/pom.xml b/pom.xml
index ff30e23..b13ce2b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.palladiosimulator</groupId>
 		<artifactId>eclipse-parent-updatesite</artifactId>
-		<version>0.5.1</version>
+		<version>0.7.1</version>
 	</parent>
 	<groupId>org.palladiosimulator.supporting.prolog</groupId>
 	<artifactId>parent</artifactId>	
diff --git a/releng/org.palladiosimulator.supporting.prolog.targetplatform/org.palladiosimulator.supporting.prolog.targetplatform.target b/releng/org.palladiosimulator.supporting.prolog.targetplatform/org.palladiosimulator.supporting.prolog.targetplatform.target
index b129345..98a8de1 100644
--- a/releng/org.palladiosimulator.supporting.prolog.targetplatform/org.palladiosimulator.supporting.prolog.targetplatform.target
+++ b/releng/org.palladiosimulator.supporting.prolog.targetplatform/org.palladiosimulator.supporting.prolog.targetplatform.target
@@ -3,12 +3,12 @@
 <target name="org.palladiosimulator.supporting.prolog Target Platform" sequenceNumber="1">
 	<locations>
 		<location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="false" type="InstallableUnit">
-			<unit id="de.itemis.xtext.antlr.feature.feature.group" version="2.1.1.v201405091103"/>
+			<unit id="de.itemis.xtext.antlr.feature.feature.group" version="0.0.0"/>
 			<repository location="http://download.itemis.com/updates/releases/2.1.1"/>
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="false" type="InstallableUnit">
-			<unit id="org.eclipse.xtext.sdk.feature.group" version="2.22.0.v20200602-1533"/>
-			<repository location="http://download.eclipse.org/releases/2020-06/202006171000/"/>
+			<unit id="org.eclipse.xtext.sdk.feature.group" version="0.0.0"/>
+			<repository location="http://download.eclipse.org/releases/2020-12/202012161000/"/>
 		</location>
 	</locations>
 </target>