diff --git a/main/pom.xml b/main/pom.xml
index 7bfba4691..1ce81a8af 100644
--- a/main/pom.xml
+++ b/main/pom.xml
@@ -317,9 +317,14 @@
       <version>1.2.1</version>
     </dependency>
     <dependency>
-        <groupId>commons-collections</groupId>
-        <artifactId>commons-collections</artifactId>
-        <version>3.2.2</version>
+      <groupId>commons-collections</groupId>
+      <artifactId>commons-collections</artifactId>
+      <version>3.2.2</version>
+    </dependency>
+    <dependency>
+      <groupId>commons-validator</groupId>
+      <artifactId>commons-validator</artifactId>
+      <version>1.5.1</version>
     </dependency>
     <dependency>
       <groupId>velocity</groupId>
@@ -436,6 +441,11 @@
       <artifactId>arithcode</artifactId>
       <version>1.1</version>
     </dependency>
+    <dependency>
+      <groupId>com.google.guava</groupId>
+      <artifactId>guava</artifactId>
+      <version>19.0</version>
+    </dependency>
 
 
     <!-- test dependencies -->