diff --git a/pom.xml b/pom.xml
index 3f0da48..23a315e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -16,7 +16,7 @@
     <parent>
         <artifactId>jar-pom</artifactId>
         <groupId>com.addthis.common.build.maven.pom</groupId>
-        <version>3.1.0</version>
+        <version>3.4.0</version>
     </parent>
 
   <groupId>com.addthis</groupId>
@@ -32,32 +32,17 @@
   </licenses>
 
     <properties>
-        <!-- enforcer plugin must be explicitly enabled with -Denforcer.skip=false -->
-        <enforcer.skip>true</enforcer.skip>
+        <bark.dep.basis.version>2.2.2</bark.dep.basis.version>
+        <bark.dep.curator.version>2.7.0</bark.dep.curator.version>
+        <bark.dep.netty3.version>3.9.3.Final</bark.dep.netty3.version>
+        <bark.dep.zookeeper.version>3.4.6</bark.dep.zookeeper.version>
     </properties>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-enforcer-plugin</artifactId>
-                <version>1.3.1</version>
-                <configuration>
-                    <rules>
-                        <DependencyConvergence />
-                    </rules>
-                    <fail>true</fail>
-                    <skip>${enforcer.skip}</skip>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-
     <dependencies>
         <dependency>
             <groupId>com.addthis</groupId>
             <artifactId>basis</artifactId>
-            <version>2.2.2</version>
+            <version>${bark.dep.basis.version}</version>
             <exclusions>
                 <exclusion>
                     <groupId>com.fasterxml.jackson.core</groupId>
@@ -109,7 +94,7 @@
         <dependency>
             <groupId>org.apache.zookeeper</groupId>
             <artifactId>zookeeper</artifactId>
-            <version>3.4.5</version>
+            <version>${bark.dep.zookeeper.version}</version>
             <exclusions>
                 <exclusion>
                     <!-- note the incorrect groupid in this version of ZooKeeper -->
@@ -139,12 +124,11 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty</artifactId>
-            <version>3.9.3.Final</version>
         </dependency>
         <dependency>
             <groupId>org.apache.curator</groupId>
             <artifactId>curator-recipes</artifactId>
-            <version>2.4.0</version>
+            <version>${bark.dep.curator.version}</version>
             <exclusions>
                 <exclusion>
                     <groupId>org.slf4j</groupId>
@@ -159,7 +143,7 @@
         <dependency>
             <groupId>org.apache.curator</groupId>
             <artifactId>curator-test</artifactId>
-            <version>2.4.0</version>
+            <version>${bark.dep.curator.version}</version>
             <exclusions>
                 <exclusion>
                     <groupId>org.slf4j</groupId>
@@ -195,6 +179,16 @@
         </dependency>
     </dependencies>
 
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty</artifactId>
+                <version>${bark.dep.netty3.version}</version>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
     <reporting>
         <plugins>
             <plugin>
@@ -210,7 +204,7 @@
             <plugin>
                 <groupId>org.apache.rat</groupId>
                 <artifactId>apache-rat-plugin</artifactId>
-                <version>0.10</version>
+                <version>0.11</version>
             </plugin>
         </plugins>
     </reporting>
diff --git a/src/test/java/com/addthis/bark/ZkGroupMembershipTest.java b/src/test/java/com/addthis/bark/ZkGroupMembershipTest.java
index ca9dff4..e9e955a 100644
--- a/src/test/java/com/addthis/bark/ZkGroupMembershipTest.java
+++ b/src/test/java/com/addthis/bark/ZkGroupMembershipTest.java
@@ -17,7 +17,6 @@
 import com.google.common.collect.ImmutableSet;
 
 import java.io.IOException;
-import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.CopyOnWriteArraySet;
 import java.util.concurrent.CyclicBarrier;
@@ -47,18 +46,21 @@ public class ZkGroupMembershipTest {
 
     private CuratorFramework myZkClient;
 
+    private TestingServer myKeeper;
+
     @Before
     public void startKeepers() throws Exception {
         InstanceSpec spec = new InstanceSpec(null, -1, -1, -1, true, -1, 2000, 10);
         System.setProperty("zk.servers", "localhost:" + spec.getPort());
         System.setProperty("zookeeper.serverCnxnFactory", "org.apache.zookeeper.server.NettyServerCnxnFactory");
-        TestingServer myKeeper = new TestingServer(spec);
+        myKeeper = new TestingServer(spec, true);
         myZkClient = CuratorFrameworkFactory.newClient("localhost:" + spec.getPort(), new RetryOneTime(1000));
         myZkClient.start();
     }
 
     @After
     public void stopKeepers() throws IOException {
+        myKeeper.stop();
     }
 
 
diff --git a/src/main/java/com/addthis/bark/ZkStartUtil.java b/src/test/java/com/addthis/bark/ZkStartUtil.java
similarity index 92%
rename from src/main/java/com/addthis/bark/ZkStartUtil.java
rename to src/test/java/com/addthis/bark/ZkStartUtil.java
index cfaad0c..b9e59aa 100644
--- a/src/main/java/com/addthis/bark/ZkStartUtil.java
+++ b/src/test/java/com/addthis/bark/ZkStartUtil.java
@@ -16,10 +16,7 @@
 import org.apache.curator.framework.CuratorFramework;
 import org.apache.curator.framework.CuratorFrameworkFactory;
 import org.apache.curator.retry.RetryOneTime;
-import org.apache.curator.test.InstanceSpec;
-import org.apache.curator.test.QuorumConfigBuilder;
 import org.apache.curator.test.TestingServer;
-import org.apache.curator.test.TestingZooKeeperServer;
 import org.junit.After;
 import org.junit.Before;