diff --git a/oaipmh-core/pom.xml b/oaipmh-core/pom.xml
index a46ee5725f77dccdf3b5683e108c4a15fa1d52b4..23d0756a44ff5d2225e4cda90c9d58c167d1fc11 100644
--- a/oaipmh-core/pom.xml
+++ b/oaipmh-core/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<artifactId>oaipmh</artifactId>
 		<groupId>info.textgrid.middleware</groupId>
-		<version>4.2.6</version>
+		<version>4.2.8-SNAPSHOT</version>
 	</parent>
 	<groupId>info.textgrid.middleware</groupId>
 	<artifactId>oaipmh-core</artifactId>
diff --git a/oaipmh-webapp/pom.xml b/oaipmh-webapp/pom.xml
index 9cdb2691177108881a027653c452df0f3558ff4f..c6028de448a353e14251abc7501ff632f7aaee2f 100644
--- a/oaipmh-webapp/pom.xml
+++ b/oaipmh-webapp/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<artifactId>oaipmh</artifactId>
 		<groupId>info.textgrid.middleware</groupId>
-        <version>4.2.6</version>
+        <version>4.2.8-SNAPSHOT</version>
 	</parent>
 	<groupId>info.textgrid.middleware</groupId>
 	<artifactId>oaipmh-webapp</artifactId>
diff --git a/pom.xml b/pom.xml
index dc6d7b942aba2675d4050c32426fe08ef1b418a7..81850ae86a402423b81c46defa5f566e2ee03f1f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>info.textgrid.middleware</groupId>
 	<artifactId>oaipmh</artifactId>
-	<version>4.2.6</version>
+	<version>4.2.8-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<name>DARIAHDE :: OAI-PMH DataProvider</name>
 	<properties>
@@ -14,11 +14,11 @@
         <antlr-maven-plugin.version>3.2</antlr-maven-plugin.version>
         <antlr-runtime.version>3.2</antlr-runtime.version>
         <common.version>4.2.0-SNAPSHOT</common.version>
-		<cxf.version>3.3.12</cxf.version>
+				<cxf.version>3.3.12</cxf.version>
         <elasticsearch.version>6.5.4</elasticsearch.version>
         <jaxb2-namespace-prefix.version>1.3</jaxb2-namespace-prefix.version>
         <jetty-maven-plugin.version>9.4.12.v20180830</jetty-maven-plugin.version>
-		<junit.version>4.13.1</junit.version>
+				<junit.version>4.13.1</junit.version>
         <json.version>20190722</json.version>
         <maven-antrun-plugin.version>1.3</maven-antrun-plugin.version>
         <maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
@@ -30,7 +30,7 @@
         <properties-maven-plugin.version>1.0-alpha-2</properties-maven-plugin.version>
         <!-- <slf4j.version>1.7.5</slf4j.version> -->
         <rdf4j-repository-api.version>3.0.2</rdf4j-repository-api.version>
-		<spring.version>4.0.2.RELEASE</spring.version>
+				<spring.version>4.0.2.RELEASE</spring.version>
         <xstream.version>1.4.18</xstream.version>
 	</properties>
 	<url>https://gitlab.gwdg.de/dariah-de/dariah-de-oai-pmh-services</url>
@@ -84,25 +84,6 @@
 				<artifactId>maven-deploy-plugin</artifactId>
 				<version>${maven-deploy-plugin.version}</version>
 			</plugin>
-            <!--plugin >
-                <groupId>org.codehaus.mojo</groupId>
-                <artifactId>chronos-jmeter-maven-plugin</artifactId>
-                <version>1.1.0</version>
-                <dependencies>
-                    <dependency>
-                        <groupId>org.codehaus.plexus</groupId>
-                        <artifactId>plexus-utils</artifactId>
-                        <version>3.0.15</version>
-                    </dependency>
-                </dependencies>
-                <executions>
-                    <execution>
-                        <goals>
-                            <goal>jmeter</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin-->
 		</plugins>
 	</build>
 	<modules>