diff --git a/pom.xml b/pom.xml
index 905cd3c5..4e28c1c5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
-        <version>3.1</version>
+        <version>3.5</version>
         <configuration>
           <source>1.8</source>
           <target>1.8</target>
@@ -31,7 +31,7 @@
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>exec-maven-plugin</artifactId>
-        <version>1.3.2</version>
+        <version>1.4.0</version>
         <configuration>
           <mainClass>org.apollo.Server</mainClass>
           <arguments>
@@ -53,19 +53,19 @@
     <dependency>
       <groupId>org.jruby</groupId>
       <artifactId>jruby-complete</artifactId>
-      <version>9.0.0.0</version>
+      <version>9.0.5.0</version>
     </dependency>
 
     <dependency>
       <groupId>com.google.guava</groupId>
       <artifactId>guava</artifactId>
-      <version>18.0</version>
+      <version>19.0</version>
     </dependency>
 
     <dependency>
       <groupId>io.netty</groupId>
       <artifactId>netty-all</artifactId>
-      <version>4.0.30.Final</version>
+      <version>4.0.34.Final</version>
       <scope>compile</scope>
     </dependency>
 
@@ -78,7 +78,7 @@
     <dependency>
       <groupId>com.mchange</groupId>
       <artifactId>c3p0</artifactId>
-      <version>0.9.5.1</version>
+      <version>0.9.5.2</version>
     </dependency>
 
     <dependency>
@@ -91,14 +91,14 @@
     <dependency>
       <groupId>org.powermock</groupId>
       <artifactId>powermock-module-junit4</artifactId>
-      <version>1.6.2</version>
+      <version>1.6.4</version>
       <scope>test</scope>
     </dependency>
 
     <dependency>
       <groupId>org.powermock</groupId>
       <artifactId>powermock-api-mockito</artifactId>
-      <version>1.6.2</version>
+      <version>1.6.4</version>
       <scope>test</scope>
     </dependency>
   </dependencies>