diff --git a/pom.xml b/pom.xml
index 6d8b582..19f4d69 100644
--- a/pom.xml
+++ b/pom.xml
@@ -46,7 +46,15 @@
         <testSourceDirectory>test</testSourceDirectory>
         <plugins>
             <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>versions-maven-plugin</artifactId>
+                <version>2.3</version>
+            </plugin>
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.5.1</version>
                 <configuration>
                     <source>1.7</source>
                     <target>1.7</target>
@@ -55,7 +63,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-source-plugin</artifactId>
-                <version>2.1.2</version>
+                <version>3.0.1</version>
                 <executions>
                     <execution>
                         <phase>verify</phase>
@@ -68,7 +76,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-release-plugin</artifactId>
-                <version>2.4.2</version>
+                <version>2.5.3</version>
                 <configuration>
                     <useReleaseProfile>false</useReleaseProfile>
                     <releaseProfiles>release</releaseProfiles>
@@ -135,7 +143,6 @@
                 <plugins>
                     <plugin>
                         <artifactId>maven-source-plugin</artifactId>
-                        <version>2.1.2</version>
                         <executions>
                             <execution>
                                 <id>attach-sources</id>