diff -r 4ea5dea84db6 -r de0d488a0a1b server/java/renkan-management/pom.xml
--- a/server/java/renkan-management/pom.xml	Fri Oct 02 13:03:19 2015 +0200
+++ b/server/java/renkan-management/pom.xml	Fri Oct 02 13:45:40 2015 +0200
@@ -5,7 +5,7 @@
   <parent>
       <groupId>org.iri_research.renkan</groupId>
       <artifactId>renkan</artifactId>
-      <version>0.7.11</version>
+      <version>0.12.11</version>
   </parent>
 
   <artifactId>renkan-management</artifactId>
@@ -18,6 +18,7 @@
     <slf4j-log4j12-version>1.7.5</slf4j-log4j12-version>
     <javax-servlet-api-version>3.0.1</javax-servlet-api-version>
     <spring-version>3.2.6.RELEASE</spring-version>
+    <maven-compiler-plugin-version>3.3</maven-compiler-plugin-version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   </properties>
 
@@ -63,7 +64,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.1</version>
+                <version>${maven-compiler-plugin-version}</version>
                 <configuration>
                     <source>1.7</source>
                     <target>1.7</target>