diff --git a/antlr4-maven-plugin/pom.xml b/antlr4-maven-plugin/pom.xml
index 702ac91d0..9d03e9e51 100644
--- a/antlr4-maven-plugin/pom.xml
+++ b/antlr4-maven-plugin/pom.xml
@@ -76,7 +76,7 @@
         <dependency>
             <groupId>org.apache.maven</groupId>
             <artifactId>maven-plugin-api</artifactId>
-            <version>3.0.4</version>
+            <version>3.0.5</version>
             <scope>compile</scope>
         </dependency>
 
@@ -89,7 +89,7 @@
         <dependency>
             <groupId>org.codehaus.plexus</groupId>
             <artifactId>plexus-compiler-api</artifactId>
-            <version>2.0</version>
+            <version>2.2</version>
         </dependency>
 
         <!--
@@ -164,13 +164,13 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-site-plugin</artifactId>
-                <version>3.2</version>
+                <version>3.3</version>
             </plugin>
 
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-project-info-reports-plugin</artifactId>
-                <version>2.6</version>
+                <version>2.7</version>
                 <configuration>
                     <dependencyLocationsEnabled>false</dependencyLocationsEnabled>
                 </configuration>
diff --git a/pom.xml b/pom.xml
index 7f7cb1924..db531124c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -132,7 +132,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.0</version>
+                <version>3.1</version>
                 <configuration>
                     <sourceDirectory>src</sourceDirectory>
                     <showWarnings>true</showWarnings>
@@ -181,7 +181,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>2.12.4</version>
+                <version>2.15</version>
             </plugin>
 
             <plugin>
diff --git a/tool/pom.xml b/tool/pom.xml
index a6f773ded..bbda5f8ad 100644
--- a/tool/pom.xml
+++ b/tool/pom.xml
@@ -49,7 +49,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-shade-plugin</artifactId>
-                        <version>2.0</version>
+                        <version>2.1</version>
                         <inherited>false</inherited>
                         <executions>
                             <execution>