diff --git a/adapter/addressvalidation/pom.xml b/adapter/addressvalidation/pom.xml
index 73685ba..50fb456 100644
--- a/adapter/addressvalidation/pom.xml
+++ b/adapter/addressvalidation/pom.xml
@@ -3,21 +3,20 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
-        <groupId>org.springframework.boot</groupId>
-        <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.4.4</version>
-        <relativePath/> <!-- lookup parent from repository -->
+        <groupId>de.strasser.peter.hexagonal</groupId>
+        <artifactId>hexagonaldemo</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../pom.xml</relativePath>
     </parent>
-    <groupId>de.strasser.peter.hexagonal</groupId>
+
     <artifactId>addressvalidation</artifactId>
     <version>0.0.1-SNAPSHOT</version>
-    <name>addressvalidation</name>
     <description>Adapter to call validate addresses in external systems</description>
+
     <properties>
         <java.version>14</java.version>
-        <org.mapstruct.version>1.4.1.Final</org.mapstruct.version>
-        <org.lombok.version>1.18.12</org.lombok.version>
     </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.springframework.boot</groupId>
@@ -33,18 +32,15 @@
         <dependency>
             <groupId>de.strasser.peter.hexagonal</groupId>
             <artifactId>common</artifactId>
-            <version>${project.version}</version>
         </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
-            <version>${org.lombok.version}</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
             <groupId>de.strasser.peter.hexagonal</groupId>
             <artifactId>application</artifactId>
-            <version>${project.version}</version>
         </dependency>
     </dependencies>
 
diff --git a/adapter/persistence/pom.xml b/adapter/persistence/pom.xml
index 5bed9a7..d6a0bf0 100644
--- a/adapter/persistence/pom.xml
+++ b/adapter/persistence/pom.xml
@@ -1,35 +1,29 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-
     <parent>
-        <groupId>org.springframework.boot</groupId>
-        <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.4.4</version>
-        <relativePath/> <!-- lookup parent from repository -->
+        <groupId>de.strasser.peter.hexagonal</groupId>
+        <artifactId>hexagonaldemo</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../pom.xml</relativePath>
     </parent>
 
-    <groupId>de.strasser.peter.hexagonal</groupId>
     <artifactId>persistence</artifactId>
     <version>0.0.1-SNAPSHOT</version>
     <packaging>jar</packaging>
+
     <properties>
         <java.version>14</java.version>
-        <org.mapstruct.version>1.4.1.Final</org.mapstruct.version>
-        <org.lombok.version>1.18.12</org.lombok.version>
-        <testcontainers.version>1.15.0</testcontainers.version>
     </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-data-mongodb</artifactId>
         </dependency>
-        <dependency>
-            <groupId>de.strasser.peter.hexagonal</groupId>
-            <artifactId>application</artifactId>
-            <version>${project.version}</version>
-        </dependency>
+
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
@@ -38,19 +32,21 @@
 
         <dependency>
             <groupId>de.strasser.peter.hexagonal</groupId>
-            <artifactId>common</artifactId>
-            <version>${project.version}</version>
+            <artifactId>application</artifactId>
         </dependency>
+        <dependency>
+            <groupId>de.strasser.peter.hexagonal</groupId>
+            <artifactId>common</artifactId>
+        </dependency>
+
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
-            <version>${org.lombok.version}</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
             <groupId>org.mapstruct</groupId>
             <artifactId>mapstruct</artifactId>
-            <version>${org.mapstruct.version}</version>
         </dependency>
         <dependency>
             <groupId>de.flapdoodle.embed</groupId>
@@ -80,6 +76,11 @@
                             <artifactId>lombok</artifactId>
                             <version>${org.lombok.version}</version>
                         </path>
+                        <path>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok-mapstruct-binding</artifactId>
+                            <version>${lombok-mapstruct-binding.version}</version>
+                        </path>
                         <!-- other annotation processors -->
                     </annotationProcessorPaths>
                     <compilerArgs>
diff --git a/adapter/web/pom.xml b/adapter/web/pom.xml
index 8080880..6539eaf 100644
--- a/adapter/web/pom.xml
+++ b/adapter/web/pom.xml
@@ -3,22 +3,23 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
-        <groupId>org.springframework.boot</groupId>
-        <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.4.4</version>
-        <relativePath/> <!-- lookup parent from repository -->
+        <groupId>de.strasser.peter.hexagonal</groupId>
+        <artifactId>hexagonaldemo</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../pom.xml</relativePath>
+
     </parent>
 
-    <groupId>de.strasser.peter.hexagonal</groupId>
+
     <artifactId>web</artifactId>
     <version>0.0.1-SNAPSHOT</version>
     <name>web</name>
     <description>Web adapter</description>
+
     <properties>
         <java.version>14</java.version>
-        <org.mapstruct.version>1.4.1.Final</org.mapstruct.version>
-        <org.lombok.version>1.18.12</org.lombok.version>
     </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.springframework.boot</groupId>
@@ -34,24 +35,20 @@
         <dependency>
             <groupId>de.strasser.peter.hexagonal</groupId>
             <artifactId>common</artifactId>
-            <version>${project.version}</version>
         </dependency>
 
         <dependency>
             <groupId>de.strasser.peter.hexagonal</groupId>
             <artifactId>application</artifactId>
-            <version>${project.version}</version>
         </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
-            <version>${org.lombok.version}</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
             <groupId>org.mapstruct</groupId>
             <artifactId>mapstruct</artifactId>
-            <version>${org.mapstruct.version}</version>
         </dependency>
     </dependencies>
     <build>
@@ -74,6 +71,11 @@
                             <artifactId>lombok</artifactId>
                             <version>${org.lombok.version}</version>
                         </path>
+                        <path>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok-mapstruct-binding</artifactId>
+                            <version>${lombok-mapstruct-binding.version}</version>
+                        </path>
                         <!-- other annotation processors -->
                     </annotationProcessorPaths>
                     <compilerArgs>
diff --git a/application/pom.xml b/application/pom.xml
index a153945..c9d56de 100644
--- a/application/pom.xml
+++ b/application/pom.xml
@@ -1,25 +1,24 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
-        <groupId>org.springframework.boot</groupId>
-        <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.4.4</version>
-        <relativePath/> <!-- lookup parent from repository -->
+        <groupId>de.strasser.peter.hexagonal</groupId>
+        <artifactId>hexagonaldemo</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
     </parent>
 
-    <groupId>de.strasser.peter.hexagonal</groupId>
     <artifactId>application</artifactId>
     <version>0.0.1-SNAPSHOT</version>
     <name>application</name>
     <description>Business logic for demo project</description>
+
     <properties>
         <java.version>14</java.version>
-        <org.mapstruct.version>1.4.2.Final</org.mapstruct.version>
-        <org.lombok.version>1.18.16</org.lombok.version>
-        <lombok-mapstruct-binding.version>0.2.0</lombok-mapstruct-binding.version>
     </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.springframework.boot</groupId>
@@ -42,18 +41,15 @@
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
-            <version>${org.lombok.version}</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
             <groupId>org.mapstruct</groupId>
             <artifactId>mapstruct</artifactId>
-            <version>${org.mapstruct.version}</version>
         </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok-mapstruct-binding</artifactId>
-            <version>${lombok-mapstruct-binding.version}</version>
         </dependency>
     </dependencies>
 
diff --git a/common/pom.xml b/common/pom.xml
index 269e2ac..505dd2d 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -3,19 +3,21 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
-        <groupId>org.springframework.boot</groupId>
-        <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.4.4</version>
-        <relativePath/> <!-- lookup parent from repository -->
+        <groupId>de.strasser.peter.hexagonal</groupId>
+        <artifactId>hexagonaldemo</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
     </parent>
-    <groupId>de.strasser.peter.hexagonal</groupId>
+
     <artifactId>common</artifactId>
     <version>0.0.1-SNAPSHOT</version>
     <name>common</name>
     <description>common</description>
+
     <properties>
         <java.version>14</java.version>
     </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.springframework.boot</groupId>
@@ -29,7 +31,6 @@
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
-            <version>1.18.20</version>
         </dependency>
 
     </dependencies>
diff --git a/config/pom.xml b/config/pom.xml
index 4ac19f2..f7c72cf 100644
--- a/config/pom.xml
+++ b/config/pom.xml
@@ -1,22 +1,24 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
-        <groupId>org.springframework.boot</groupId>
-        <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.4.4</version>
-        <relativePath/> <!-- lookup parent from repository -->
+        <groupId>de.strasser.peter.hexagonal</groupId>
+        <artifactId>hexagonaldemo</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
     </parent>
 
-    <groupId>de.strasser.peter.hexagonal</groupId>
     <artifactId>config</artifactId>
     <version>0.0.1-SNAPSHOT</version>
     <name>config</name>
     <description>Cross cutting concerns for the application</description>
+
     <properties>
         <java.version>14</java.version>
     </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.springframework.boot</groupId>
@@ -32,28 +34,19 @@
         <dependency>
             <groupId>de.strasser.peter.hexagonal</groupId>
             <artifactId>application</artifactId>
-            <version>${project.version}</version>
         </dependency>
         <dependency>
             <groupId>de.strasser.peter.hexagonal</groupId>
             <artifactId>addressvalidation</artifactId>
-            <version>${project.version}</version>
         </dependency>
         <dependency>
             <groupId>de.strasser.peter.hexagonal</groupId>
             <artifactId>web</artifactId>
-            <version>${project.version}</version>
         </dependency>
         <dependency>
             <groupId>de.strasser.peter.hexagonal</groupId>
             <artifactId>persistence</artifactId>
-            <version>${project.version}</version>
         </dependency>
-<!--        <dependency>
-            <groupId>de.flapdoodle.embed</groupId>
-            <artifactId>de.flapdoodle.embed.mongo</artifactId>
-            <scope>test</scope>
-        </dependency>-->
     </dependencies>
 
     <build>
@@ -61,6 +54,7 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
+                <version>${spring-boot-maven-plugin.version}</version>
             </plugin>
         </plugins>
     </build>
diff --git a/config/src/main/java/de/strasser/peter/hexagonal/HexagonalApplication.java b/config/src/main/java/de/strasser/peter/hexagonal/HexagonalApplication.java
index a51fe41..5193d51 100644
--- a/config/src/main/java/de/strasser/peter/hexagonal/HexagonalApplication.java
+++ b/config/src/main/java/de/strasser/peter/hexagonal/HexagonalApplication.java
@@ -5,9 +5,7 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 @SpringBootApplication
 public class HexagonalApplication {
-
     public static void main(String[] args) {
         SpringApplication.run(HexagonalApplication.class, args);
     }
-
 }
diff --git a/pom.xml b/pom.xml
index 5a3a00f..9cb4d52 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,13 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <parent>
-        <groupId>org.springframework.boot</groupId>
-        <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.4.4</version>
-        <relativePath/> <!-- lookup parent from repository -->
-    </parent>
 
     <groupId>de.strasser.peter.hexagonal</groupId>
     <artifactId>hexagonaldemo</artifactId>
@@ -17,10 +12,72 @@
     <description>Demo project for hexagonal architecture</description>
     <properties>
         <java.version>14</java.version>
-        <project.version>0.0.1-SNAPSHOT</project.version>
-
+        <org.mapstruct.version>1.4.2.Final</org.mapstruct.version>
+        <org.lombok.version>1.18.16</org.lombok.version>
+        <lombok-mapstruct-binding.version>0.2.0</lombok-mapstruct-binding.version>
+        <spring-boot-starter-parent.version>2.4.4</spring-boot-starter-parent.version>
+        <spring-boot-maven-plugin.version>2.4.5</spring-boot-maven-plugin.version>
+        <application.version>0.0.1-SNAPSHOT</application.version>
+        <common.version>0.0.1-SNAPSHOT</common.version>
+        <addressvalidation.version>0.0.1-SNAPSHOT</addressvalidation.version>
+        <web.version>0.0.1-SNAPSHOT</web.version>
+        <persistence.version>0.0.1-SNAPSHOT</persistence.version>
     </properties>
 
+
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-starter-parent</artifactId>
+                <version>${spring-boot-starter-parent.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+            <dependency>
+                <groupId>org.projectlombok</groupId>
+                <artifactId>lombok</artifactId>
+                <version>${org.lombok.version}</version>
+                <scope>compile</scope>
+            </dependency>
+            <dependency>
+                <groupId>org.mapstruct</groupId>
+                <artifactId>mapstruct</artifactId>
+                <version>${org.mapstruct.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.projectlombok</groupId>
+                <artifactId>lombok-mapstruct-binding</artifactId>
+                <version>${lombok-mapstruct-binding.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>de.strasser.peter.hexagonal</groupId>
+                <artifactId>application</artifactId>
+                <version>${application.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>de.strasser.peter.hexagonal</groupId>
+                <artifactId>common</artifactId>
+                <version>${common.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>de.strasser.peter.hexagonal</groupId>
+                <artifactId>addressvalidation</artifactId>
+                <version>${addressvalidation.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>de.strasser.peter.hexagonal</groupId>
+                <artifactId>web</artifactId>
+                <version>${web.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>de.strasser.peter.hexagonal</groupId>
+                <artifactId>persistence</artifactId>
+                <version>${persistence.version}</version>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
     <modules>
         <module>config</module>
         <module>adapter/persistence</module>
@@ -29,12 +86,4 @@
         <module>application</module>
         <module>common</module>
     </modules>
-
-
-    <dependencies>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter</artifactId>
-        </dependency>
-    </dependencies>
 </project>