diff --git a/poker-helper-core/pom.xml b/poker-helper-core/pom.xml
index 6b13926..277315d 100644
--- a/poker-helper-core/pom.xml
+++ b/poker-helper-core/pom.xml
@@ -17,12 +17,12 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-api</artifactId>
-            <version>2.3</version>
+            <version>2.4.1</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.3</version>
+            <version>2.4.1</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>
@@ -111,7 +111,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-clean-plugin</artifactId>
-                <version>2.6.1</version>
+                <version>3.0.0</version>
                 <configuration>
                     <filesets>
                         <fileset>
@@ -129,7 +129,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>2.18.1</version>
+                <version>2.19</version>
                 <configuration>
                     <workingDirectory>${project.parent.basedir}/bin</workingDirectory>
                 </configuration>
@@ -137,7 +137,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-failsafe-plugin</artifactId>
-                <version>2.18.1</version>
+                <version>2.19</version>
                 <executions>
                     <execution>
                         <id>integration-tests</id>
diff --git a/poker-helper-gui/pom.xml b/poker-helper-gui/pom.xml
index 222dd5e..09e785a 100644
--- a/poker-helper-gui/pom.xml
+++ b/poker-helper-gui/pom.xml
@@ -21,12 +21,12 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-api</artifactId>
-            <version>2.3</version>
+            <version>2.4.1</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.3</version>
+            <version>2.4.1</version>
         </dependency>
     </dependencies>
 
@@ -76,7 +76,7 @@
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>buildnumber-maven-plugin</artifactId>
-                <version>1.3</version>
+                <version>1.4</version>
                 <executions>
                     <execution>
                         <phase>validate</phase>
@@ -128,7 +128,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-clean-plugin</artifactId>
-                <version>2.6.1</version>
+                <version>3.0.0</version>
                 <configuration>
                     <filesets>
                         <fileset>
@@ -154,7 +154,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>2.18.1</version>
+                <version>2.19</version>
                 <configuration>
                     <workingDirectory>${project.parent.basedir}/bin</workingDirectory>
                 </configuration>
@@ -162,7 +162,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-failsafe-plugin</artifactId>
-                <version>2.18.1</version>
+                <version>2.19</version>
                 <executions>
                     <execution>
                         <id>integration-tests</id>
@@ -182,7 +182,7 @@
             <plugin>
                 <groupId>com.akathist.maven.plugins.launch4j</groupId>
                 <artifactId>launch4j-maven-plugin</artifactId>
-                <version>1.7.7</version>
+                <version>1.7.8</version>
                 <executions>
                     <execution>
                         <id>l4j-clui</id>
@@ -223,7 +223,7 @@
             </plugin>
             <plugin>
                 <artifactId>maven-assembly-plugin</artifactId>
-                <version>2.5.5</version>
+                <version>2.6</version>
                 <configuration>
                     <descriptors>
                         <descriptor>src/assembly/zip.xml</descriptor>
diff --git a/pom.xml b/pom.xml
index fcd3b59..afd4feb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,5 +1,7 @@
 <?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" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <groupId>com.github.hronom</groupId>
@@ -42,6 +44,10 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
+    <prerequisites>
+        <maven>3.3.1</maven>
+    </prerequisites>
+
     <build>
         <plugins>
             <plugin>
@@ -78,7 +84,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-clean-plugin</artifactId>
-                <version>2.6.1</version>
+                <version>3.0.0</version>
                 <configuration>
                     <filesets>
                         <fileset>
@@ -99,7 +105,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-release-plugin</artifactId>
-                <version>2.5.2</version>
+                <version>2.5.3</version>
             </plugin>
             <plugin>
                 <groupId>de.jutzig</groupId>
@@ -112,6 +118,21 @@
                     <artifact>${project.basedir}/dist/${project.artifactId}-${project.version}-bin.zip</artifact>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jdeps-plugin</artifactId>
+                <version>3.0.0</version>
+            </plugin>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>versions-maven-plugin</artifactId>
+                <version>2.2</version>
+            </plugin>
+            <plugin>
+                <groupId>org.basepom.maven</groupId>
+                <artifactId>duplicate-finder-maven-plugin</artifactId>
+                <version>1.2.1</version>
+            </plugin>
         </plugins>
     </build>
 </project>
\ No newline at end of file