diff --git a/build.xml b/build.xml
index 8d5c8278d3..26c35245e7 100644
--- a/build.xml
+++ b/build.xml
@@ -505,7 +505,7 @@
                 artifactId="cassandra-parent"
                 version="${version}"/>
         <!-- do NOT remove this, it breaks pig-test -->
-        <dependency groupId="joda-time" artifactId="joda-time" version="2.4" />
+        <dependency groupId="joda-time" artifactId="joda-time"/>
       </artifact:pom>
 
       <!-- now the pom's for artifacts being deployed to Maven Central -->
@@ -540,9 +540,9 @@
         <dependency groupId="org.mindrot" artifactId="jbcrypt"/>
         <dependency groupId="io.dropwizard.metrics" artifactId="metrics-core"/>
         <dependency groupId="com.addthis.metrics" artifactId="reporter-config3"/>
-        <dependency groupId="com.thinkaurelius.thrift" artifactId="thrift-server" version="0.3.5"/>
-        <dependency groupId="com.clearspring.analytics" artifactId="stream" version="2.5.2" />
-        <dependency groupId="net.sf.supercsv" artifactId="super-csv" version="2.1.0" />
+        <dependency groupId="com.thinkaurelius.thrift" artifactId="thrift-server"/>
+        <dependency groupId="com.clearspring.analytics" artifactId="stream"/>
+        <dependency groupId="net.sf.supercsv" artifactId="super-csv"/>
 
         <dependency groupId="ch.qos.logback" artifactId="logback-core"/>
         <dependency groupId="ch.qos.logback" artifactId="logback-classic"/>
@@ -559,16 +559,16 @@
         -->
 
         <!-- don't need jna to run, but nice to have -->
-        <dependency groupId="net.java.dev.jna" artifactId="jna" version="4.0.0"/>
+        <dependency groupId="net.java.dev.jna" artifactId="jna"/>
         
         <!-- don't need jamm unless running a server in which case it needs to be a -javagent to be used anyway -->
         <dependency groupId="com.github.jbellis" artifactId="jamm"/>
 		<dependency groupId="com.github.tjake" artifactId="crc32ex"/>
         <dependency groupId="io.netty" artifactId="netty-all"/>
       	
-      	<dependency groupId="joda-time" artifactId="joda-time" version="2.4" />
+      	<dependency groupId="joda-time" artifactId="joda-time"/>
 
-        <dependency groupId="org.fusesource" artifactId="sigar" version="1.6.4"/>
+        <dependency groupId="org.fusesource" artifactId="sigar"/>
       </artifact:pom>
       <artifact:pom id="thrift-pom"
                     artifactId="cassandra-thrift"