Updating some plugins
diff --git a/buildtools/pom.xml b/buildtools/pom.xml
index f666824..99b343c 100644
--- a/buildtools/pom.xml
+++ b/buildtools/pom.xml
@@ -44,7 +44,7 @@
         <dependency>
             <groupId>org.codehaus.plexus</groupId>
             <artifactId>plexus-utils</artifactId>
-            <version>3.0.22</version>
+            <version>3.0.24</version>
             <optional>true</optional>
         </dependency>
         <dependency>
@@ -68,7 +68,7 @@
         <dependency>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-shade-plugin</artifactId>
-            <version>2.4.3</version>
+            <version>3.2.1</version>
             <optional>true</optional>
             <scope>provided</scope>
         </dependency>
diff --git a/pom.xml b/pom.xml
index 8c6222e..6fb899c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -95,12 +95,12 @@
                  <plugin>
                      <groupId>org.codehaus.mojo</groupId>
                      <artifactId>build-helper-maven-plugin</artifactId>
-                     <version>1.10</version>
+                     <version>3.0.0</version>
                  </plugin>
                  <plugin>
                      <groupId>org.apache.maven.plugins</groupId>
                      <artifactId>maven-clean-plugin</artifactId>
-                     <version>3.0.0</version>
+                     <version>3.1.0</version>
                  </plugin>
                  <plugin>
                      <groupId>org.apache.maven.plugins</groupId>
@@ -122,7 +122,7 @@
                  <plugin>
                      <groupId>org.apache.maven.plugins</groupId>
                      <artifactId>maven-javadoc-plugin</artifactId>
-                     <version>3.0.1</version>
+                     <version>3.1.0</version>
                      <configuration>
                          <attach>true</attach>
                          <source>1.6</source>
@@ -138,12 +138,12 @@
                  <plugin>
                      <groupId>org.apache.maven.plugins</groupId>
                      <artifactId>maven-surefire-plugin</artifactId>
-                     <version>2.19.1</version>
+                     <version>2.22.1</version>
                  </plugin>
                  <plugin>
                      <groupId>org.apache.maven.plugins</groupId>
                      <artifactId>maven-compiler-plugin</artifactId>
-                     <version>3.5</version>
+                     <version>3.8.1</version>
                      <configuration>
                          <source>1.6</source>
                          <target>1.6</target>
@@ -158,7 +158,7 @@
                  <plugin>
                      <groupId>org.apache.maven.plugins</groupId>
                      <artifactId>maven-jar-plugin</artifactId>
-                     <version>2.6</version>
+                     <version>3.1.0</version>
                      <configuration>
                          <archive>
                              <manifestEntries>
@@ -176,7 +176,7 @@
                  <plugin>
                      <groupId>org.apache.maven.plugins</groupId>
                      <artifactId>maven-resources-plugin</artifactId>
-                     <version>2.7</version>
+                     <version>3.1.0</version>
                      <configuration>
                          <encoding>UTF-8</encoding>
                      </configuration>
@@ -184,7 +184,7 @@
                  <plugin>
                      <groupId>org.apache.maven.plugins</groupId>
                      <artifactId>maven-assembly-plugin</artifactId>
-                     <version>2.2-beta-4</version>
+                     <version>3.1.0</version>
                  </plugin>
 
                  <plugin>
@@ -195,12 +195,12 @@
                  <plugin>
                      <groupId>org.apache.maven.plugins</groupId>
                      <artifactId>maven-shade-plugin</artifactId>
-                     <version>2.4.3</version>
+                     <version>3.2.1</version>
                  </plugin>
                  <plugin>
                      <groupId>org.apache.maven.plugins</groupId>
                      <artifactId>maven-site-plugin</artifactId>
-                     <version>3.3</version>
+                     <version>3.7.1</version>
                  </plugin>
                  <plugin>
                      <groupId>org.apache.maven.plugins</groupId>
@@ -210,17 +210,17 @@
                  <plugin>
                      <groupId>org.apache.maven.plugins</groupId>
                      <artifactId>maven-surefire-report-plugin</artifactId>
-                     <version>2.19.1</version>
+                     <version>2.22.1</version>
                  </plugin>
                  <plugin>
                      <groupId>org.apache.maven.plugins</groupId>
                      <artifactId>maven-project-info-reports-plugin</artifactId>
-                     <version>2.8.1</version>
+                     <version>2.9</version>
                  </plugin>
                  <plugin>
                      <groupId>org.apache.maven.plugins</groupId>
                      <artifactId>maven-plugin-plugin</artifactId>
-                     <version>3.5.2</version>
+                     <version>3.6.0</version>
                  </plugin>
              </plugins>
          </pluginManagement>
diff --git a/xml2fastinfoset-plugin/pom.xml b/xml2fastinfoset-plugin/pom.xml
index 5a6e296..e0bb264 100644
--- a/xml2fastinfoset-plugin/pom.xml
+++ b/xml2fastinfoset-plugin/pom.xml
@@ -80,7 +80,7 @@
         <dependency>
             <groupId>org.codehaus.plexus</groupId>
             <artifactId>plexus-utils</artifactId>
-            <version>3.0.22</version>
+            <version>3.0.24</version>
         </dependency>
         <dependency>
             <groupId>com.sun.xml.fastinfoset</groupId>