diff --git a/pom.xml b/pom.xml
index 5e5b94a..904226f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -105,7 +105,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
-        <version>3.3</version>
+        <version>3.5.1</version>
         <configuration>
           <source>1.7</source>
           <target>1.7</target>
@@ -119,7 +119,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>
-        <version>2.14.1</version>
+        <version>2.19.1</version>
         <configuration>
           <argLine>-Dfile.encoding=UTF-8</argLine>
           <systemProperties>
@@ -147,7 +147,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-source-plugin</artifactId>
-        <version>2.4</version>
+        <version>3.0.1</version>
         <executions>
           <execution>
             <id>attach-sources</id>
@@ -160,7 +160,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-javadoc-plugin</artifactId>
-        <version>2.10.3</version>
+        <version>2.10.4</version>
         <executions>
           <execution>
             <id>attach-javadocs</id>
@@ -173,7 +173,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-release-plugin</artifactId>
-        <version>2.5</version>
+        <version>2.5.3</version>
         <configuration>
           <autoVersionSubmodules>true</autoVersionSubmodules>
           <useReleaseProfile>false</useReleaseProfile>
@@ -184,7 +184,7 @@
       <plugin>
         <groupId>org.sonatype.plugins</groupId>
         <artifactId>nexus-staging-maven-plugin</artifactId>
-        <version>1.6.6</version>
+        <version>1.6.7</version>
         <extensions>true</extensions>
         <configuration>
           <serverId>ossrh</serverId>
@@ -195,7 +195,7 @@
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>exec-maven-plugin</artifactId>
-        <version>1.4.0</version>
+        <version>1.5.0</version>
         <executions>
           <execution>
             <id>npm-install</id>
@@ -216,7 +216,7 @@
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>versions-maven-plugin</artifactId>
-        <version>2.2</version>
+        <version>2.3</version>
       </plugin>
       <plugin>
         <groupId>com.github.github</groupId>