diff --git a/pom.xml b/pom.xml
index 2359243..47551a9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>de.dm.auth</groupId>
     <artifactId>activedirectory-spring-boot-starter</artifactId>
-    <version>2.3.3-SNAPSHOT</version>
+    <version>2.4.1</version>
     <packaging>jar</packaging>
 
     <name>Activedirectory Spring Boot Starter</name>
@@ -40,7 +40,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.3.3.RELEASE</version>
+        <version>2.4.3</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
 
@@ -48,13 +48,18 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <java.version>1.8</java.version>
 
-        <jacoco.version>0.7.4.201502262128</jacoco.version>
+        <jacoco.version>0.8.6</jacoco.version>
+        <maven-gpg-plugin.version>1.6</maven-gpg-plugin.version>
+        <maven-javadoc-plugin.version>3.2.0</maven-javadoc-plugin.version>
         <maven-release-plugin.version>2.5.3</maven-release-plugin.version>
-        <asciidoctor.maven.plugin.version>1.5.7.1</asciidoctor.maven.plugin.version>
-        <asciidoctorj.pdf.version>1.5.0-alpha.16</asciidoctorj.pdf.version>
-        <asciidoctorj.version>1.5.7</asciidoctorj.version>
-        <spring-boot.version>2.3.3.RELEASE</spring-boot.version>
-        <assertj-core.version>3.9.1</assertj-core.version>
+        <maven-source-plugin.version>3.2.1</maven-source-plugin.version>
+        <nexus-staging-maven-plugin.version>1.6.8</nexus-staging-maven-plugin.version>
+        <asciidoctor.maven.plugin.version>2.1.0</asciidoctor.maven.plugin.version>
+        <asciidoctorj.pdf.version>1.5.3</asciidoctorj.pdf.version>
+        <asciidoctorj.version>2.4.1</asciidoctorj.version>
+        <assertj-core.version>3.19.0</assertj-core.version>
+        <versions-maven-plugin.version>2.8.1</versions-maven-plugin.version>
+        <spring-boot.version>2.4.3</spring-boot.version>
 
         <sonar.exclusions>**/*Config*,**/*Properties*,**/Hotfix*</sonar.exclusions>
     </properties>
@@ -184,7 +189,7 @@
             <plugin>
                 <groupId>org.sonatype.plugins</groupId>
                 <artifactId>nexus-staging-maven-plugin</artifactId>
-                <version>1.6.7</version>
+                <version>${nexus-staging-maven-plugin.version}</version>
                 <extensions>true</extensions>
                 <configuration>
                     <serverId>ossrh</serverId>
@@ -192,6 +197,22 @@
                     <autoReleaseAfterClose>true</autoReleaseAfterClose>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>versions-maven-plugin</artifactId>
+                <version>${versions-maven-plugin.version}</version>
+                <configuration>
+                    <rulesUri>file:///${project.basedir}/rules.xml</rulesUri>
+                </configuration>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>display-dependency-updates</goal>
+                            <goal>display-plugin-updates</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
         </plugins>
     </build>
 
@@ -206,7 +227,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-source-plugin</artifactId>
-                        <version>2.2.1</version>
+                        <version>${maven-source-plugin.version}</version>
                         <executions>
                             <execution>
                                 <id>attach-sources</id>
@@ -219,7 +240,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-javadoc-plugin</artifactId>
-                        <version>3.1.1</version>
+                        <version>${maven-javadoc-plugin.version}</version>
                         <executions>
                             <execution>
                                 <id>attach-javadocs</id>
@@ -239,7 +260,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-gpg-plugin</artifactId>
-                        <version>1.6</version>
+                        <version>${maven-gpg-plugin.version}</version>
                         <executions>
                             <execution>
                                 <id>sign-artifacts</id>
diff --git a/rules.xml b/rules.xml
new file mode 100644
index 0000000..fc1620c
--- /dev/null
+++ b/rules.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ruleset xmlns="http://mojo.codehaus.org/versions-maven-plugin/rule/2.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" comparisonMethod="maven" xsi:schemaLocation="http://mojo.codehaus.org/versions-maven-plugin/rule/2.0.0 http://mojo.codehaus.org/versions-maven-plugin/xsd/rule-2.0.0.xsd">
+    <ignoreVersions>
+        <!-- Ignore Alpha's, Beta's, release candidates and milestones -->
+        <ignoreVersion type="regex">(?i).*Alpha(?:-?\d+)?</ignoreVersion>
+        <ignoreVersion type="regex">(?i).*a(?:-?\d+)?</ignoreVersion>
+        <ignoreVersion type="regex">(?i).*Beta(?:-?\d+)?</ignoreVersion>
+        <ignoreVersion type="regex">(?i).*-B(?:-?\d+)?</ignoreVersion>
+        <ignoreVersion type="regex">(?i).*RC(?:-?\d+)?</ignoreVersion>
+        <ignoreVersion type="regex">(?i).*CR(?:-?\d+)?</ignoreVersion>
+        <ignoreVersion type="regex">(?i).*M(?:-?\d+)?</ignoreVersion>
+    </ignoreVersions>
+    <rules>
+    </rules>
+</ruleset>
\ No newline at end of file