diff --git a/pom.xml b/pom.xml
index 93beea1e..7f14fe34 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.10</version>
+      <version>4.11</version>
       <scope>test</scope>
     </dependency>
     <dependency>
@@ -30,7 +30,7 @@
     <dependency>
       <groupId>org.apache.commons</groupId>
       <artifactId>commons-math3</artifactId>
-      <version>3.0</version>
+      <version>3.1.1</version>
     </dependency>
   </dependencies>
   
@@ -75,7 +75,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-assembly-plugin</artifactId>
-        <version>2.2-beta-4</version>
+        <version>2.2.1</version>
         <configuration>
           <descriptorRefs>
             <descriptorRef>jar-with-dependencies</descriptorRef>