diff --git a/pom.xml b/pom.xml
index 7b3d1e53cf7610abb8a1f806f2e00f7a60d709eb..8cc4d738e813bd36152e5711f16f1c8f1906070b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,30 +29,30 @@
 
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-    <rugged.spotbugs-maven-plugin.version>3.1.12.2</rugged.spotbugs-maven-plugin.version>
+    <rugged.spotbugs-maven-plugin.version>4.0.4</rugged.spotbugs-maven-plugin.version>
     <rugged.jacoco-maven-plugin.version>0.8.5</rugged.jacoco-maven-plugin.version>
     <rugged.maven-assembly-plugin.version>3.1.1</rugged.maven-assembly-plugin.version>
     <rugged.maven-bundle-plugin.version>4.2.1</rugged.maven-bundle-plugin.version>
     <rugged.maven-changes-plugin.version>2.12.1</rugged.maven-changes-plugin.version>
     <rugged.maven-checkstyle-plugin.version>3.1.1</rugged.maven-checkstyle-plugin.version>
-    <rugged.checkstyle.version>8.29</rugged.checkstyle.version>
+    <rugged.checkstyle.version>8.33</rugged.checkstyle.version>
     <rugged.maven-clean-plugin.version>3.1.0</rugged.maven-clean-plugin.version>
     <rugged.maven-compiler-plugin.version>3.8.1</rugged.maven-compiler-plugin.version>
-    <rugged.maven-javadoc-plugin.version>3.1.1</rugged.maven-javadoc-plugin.version>
+    <rugged.maven-javadoc-plugin.version>3.2.0</rugged.maven-javadoc-plugin.version>
     <rugged.maven-jar-plugin.version>3.2.0</rugged.maven-jar-plugin.version>
     <rugged.maven-jxr-plugin.version>3.0.0</rugged.maven-jxr-plugin.version>
     <rugged.plantuml-maven-plugin.version>1.2</rugged.plantuml-maven-plugin.version>
-    <rugged.plantuml.version>1.2018.12</rugged.plantuml.version>
-    <rugged.maven-project-info-reports-plugin.version>3.0.0</rugged.maven-project-info-reports-plugin.version>
+    <rugged.plantuml.version>1.2020.14</rugged.plantuml.version>
+    <rugged.maven-project-info-reports-plugin.version>3.1.0</rugged.maven-project-info-reports-plugin.version>
     <rugged.maven-resources-plugin.version>3.1.0</rugged.maven-resources-plugin.version>
-    <rugged.maven-site-plugin.version>3.8.2</rugged.maven-site-plugin.version>
+    <rugged.maven-site-plugin.version>3.9.1</rugged.maven-site-plugin.version>
     <rugged.maven-source-plugin.version>3.2.1</rugged.maven-source-plugin.version>
     <!-- Surefire 2.22.2 is the last to support CentOS/RedHat 7 due to
          https://issues.apache.org/jira/browse/SUREFIRE-1628 -->
     <rugged.maven-surefire-plugin.version>2.22.2</rugged.maven-surefire-plugin.version>
-    <rugged.maven-surefire-report-plugin.version>3.0.0-M4</rugged.maven-surefire-report-plugin.version>
+    <rugged.maven-surefire-report-plugin.version>3.0.0-M5</rugged.maven-surefire-report-plugin.version>
     <rugged.jgit.buildnumber.version>1.2.10</rugged.jgit.buildnumber.version>
-    <rugged.build-helper-maven-plugin.version>3.0.0</rugged.build-helper-maven-plugin.version>
+    <rugged.build-helper-maven-plugin.version>3.2.0</rugged.build-helper-maven-plugin.version>
     <rugged.nexus-staging-maven-plugin.version>1.6.8</rugged.nexus-staging-maven-plugin.version>
     <rugged.maven-gpg-plugin.version>1.6</rugged.maven-gpg-plugin.version>
     <rugged.maven-install-plugin.version>3.0.0-M1</rugged.maven-install-plugin.version>