diff --git a/pom.xml b/pom.xml
index 107e16c..e2ab1e4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,7 +18,7 @@
         <dynamodb-local.port>4567</dynamodb-local.port>
         <dynamodb-local.endpoint>http://localhost:${dynamodb-local.port}</dynamodb-local.endpoint>
         <jdk.version>1.8</jdk.version>
-        <aws.java.sdk.version>1.11.281</aws.java.sdk.version>
+        <aws.java.sdk.version>1.11.336</aws.java.sdk.version>
         <jackson.version>2.6.6</jackson.version>
         <janusgraph.version>0.2.0</janusgraph.version>
         <tinkerpop.version>3.2.6</tinkerpop.version>
@@ -30,20 +30,24 @@
         <maven.resources.plugin.version>3.0.2</maven.resources.plugin.version>
         <exec.maven.plugin.version>1.6.0</exec.maven.plugin.version>
         <download.maven.plugin.version>1.2.1</download.maven.plugin.version>
-        <slf4j.version>1.7.25</slf4j.version>
+        <slf4j.version>1.7.12</slf4j.version>
         <opencsv.version>3.8</opencsv.version>
         <metrics3.version>3.0.1</metrics3.version>
         <commons.logging.version>1.1.1</commons.logging.version>
         <hadoop.version>2.2.0</hadoop.version>
-        <mockito.version>1.9.5</mockito.version>
+        <mockito.version>1.8.5</mockito.version>
         <lombok.version>1.16.18</lombok.version>
         <docker.maven.version>0.4.13</docker.maven.version>
+        <commonsio.version>2.3</commonsio.version>
+        <guava.version>18.0</guava.version>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <maven-enforcer-plugin.version>3.0.0-M1</maven-enforcer-plugin.version>
         <include.category></include.category>
         <exclude.category></exclude.category>
         <test.excluded.groups>org.janusgraph.testcategory.MemoryTests,org.janusgraph.testcategory.PerformanceTests,org.janusgraph.testcategory.BrittleTests,org.janusgraph.testcategory.OrderedKeyStoreTests,org.janusgraph.testcategory.SerialTests</test.excluded.groups>
 	<download.skip.cache>false</download.skip.cache>
 	<download.force.overwrite>false</download.force.overwrite>
+        <junit.version>4.12</junit.version>
     </properties>
     <developers>
         <developer>
@@ -122,6 +126,12 @@
             <groupId>com.opencsv</groupId>
             <artifactId>opencsv</artifactId>
             <version>${opencsv.version}</version>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.apache.commons</groupId>
+                    <artifactId>commons-lang3</artifactId>
+                </exclusion>
+            </exclusions>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
@@ -138,7 +148,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.11</version>
+            <version>${junit.version}</version>
             <scope>test</scope>
         </dependency>
         <!-- for Gremlin console -->
@@ -183,7 +193,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>18.0</version>
+            <version>${guava.version}</version>
         </dependency>
         <dependency>
             <groupId>org.mockito</groupId>
@@ -196,6 +206,16 @@
             <artifactId>mockito-core</artifactId>
             <version>${mockito.version}</version>
             <scope>test</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.hamcrest</groupId>
+                    <artifactId>hamcrest-core</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>org.objenesis</groupId>
+                    <artifactId>objenesis</artifactId>
+                </exclusion>
+            </exclusions>
         </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>
@@ -206,6 +226,12 @@
             <groupId>com.google.code.findbugs</groupId>
             <artifactId>findbugs</artifactId>
             <version>3.0.1</version>
+            <exclusions>
+                <exclusion>
+                    <groupId>com.google.code.findbugs</groupId>
+                    <artifactId>jsr305</artifactId>
+                </exclusion>
+            </exclusions>
         </dependency>
     </dependencies>
     <dependencyManagement>
@@ -225,6 +251,66 @@
                 <artifactId>jackson-dataformat-cbor</artifactId>
                 <version>${jackson.version}</version>
             </dependency>
+            <dependency>
+                <groupId>junit</groupId>
+                <artifactId>junit</artifactId>
+                <version>${junit.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>commons-io</groupId>
+                <artifactId>commons-io</artifactId>
+                <version>${commonsio.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>commons-collections</groupId>
+                <artifactId>commons-collections</artifactId>
+                <version>3.2.2</version>
+            </dependency>
+            <dependency>
+                <groupId>commons-codec</groupId>
+                <artifactId>commons-codec</artifactId>
+                <version>1.7</version>
+            </dependency>
+            <dependency>
+                <groupId>commons-logging</groupId>
+                <artifactId>commons-logging</artifactId>
+                <version>1.1.3</version>
+            </dependency>
+            <dependency>
+                <groupId>com.codahale.metrics</groupId>
+                <artifactId>metrics-core</artifactId>
+                <version>${metrics3.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>com.codahale.metrics</groupId>
+                <artifactId>metrics-graphite</artifactId>
+                <version>${metrics3.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>com.codahale.metrics</groupId>
+                <artifactId>metrics-ganglia</artifactId>
+                <version>${metrics3.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.slf4j</groupId>
+                <artifactId>slf4j-api</artifactId>
+                <version>${slf4j.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>com.google.guava</groupId>
+                <artifactId>guava</artifactId>
+                <version>${guava.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>com.carrotsearch</groupId>
+                <artifactId>junit-benchmarks</artifactId>
+                <version>0.7.0</version>
+            </dependency>
+            <dependency>
+                <groupId>org.mockito</groupId>
+                <artifactId>mockito-core</artifactId>
+                <version>${mockito.version}</version>
+            </dependency>
         </dependencies>
     </dependencyManagement>
     <build>
@@ -335,6 +421,24 @@
                 <artifactId>maven-resources-plugin</artifactId>
                 <version>${maven.resources.plugin.version}</version>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-enforcer-plugin</artifactId>
+                <version>${maven-enforcer-plugin.version}</version>
+                <executions>
+                    <execution>
+                        <id>enforce</id>
+                        <configuration>
+                            <rules>
+                                <dependencyConvergence/>
+                            </rules>
+                        </configuration>
+                        <goals>
+                            <goal>enforce</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
         </plugins>
     </build>
     <profiles>