diff --git a/java/src/org/broadinstitute/sting/gatk/refdata/tracks/builders/TribbleRMDTrackBuilder.java b/java/src/org/broadinstitute/sting/gatk/refdata/tracks/builders/TribbleRMDTrackBuilder.java
index 254aea5a1..820290d3a 100644
--- a/java/src/org/broadinstitute/sting/gatk/refdata/tracks/builders/TribbleRMDTrackBuilder.java
+++ b/java/src/org/broadinstitute/sting/gatk/refdata/tracks/builders/TribbleRMDTrackBuilder.java
@@ -35,8 +35,8 @@ import org.broad.tribble.index.IndexFactory;
 import org.broad.tribble.index.interval.IntervalIndexCreator;
 import org.broad.tribble.index.linear.LinearIndexCreator;
 import org.broad.tribble.source.BasicFeatureSource;
-import org.broad.tribble.util.LEDataOutputStream;
-import org.broad.tribble.util.LEDataStreamUtils;
+import org.broad.tribble.util.LittleEndianInputStream;
+import org.broad.tribble.util.LittleEndianOutputStream;
 import org.broad.tribble.vcf.NameAwareCodec;
 import org.broadinstitute.sting.gatk.refdata.tracks.TribbleTrack;
 import org.broadinstitute.sting.gatk.refdata.tracks.RMDTrack;
@@ -46,9 +46,7 @@ import org.broadinstitute.sting.utils.classloader.PluginManager;
 import org.broadinstitute.sting.utils.StingException;
 import org.broadinstitute.sting.utils.file.FSLockWithShared;
 
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.IOException;
+import java.io.*;
 import java.util.*;
 
 
@@ -267,7 +265,7 @@ public class TribbleRMDTrackBuilder extends PluginManager<FeatureCodec> implemen
             locked = lock.exclusiveLock();
             if (locked) {
                 logger.info("Writing Tribble index to disk for file " + inputFile);
-                LEDataOutputStream stream = LEDataStreamUtils.createOutputStream(indexFile);
+                LittleEndianOutputStream stream = new LittleEndianOutputStream(new FileOutputStream(indexFile));
                 index.write(stream);
                 stream.close();
             }
diff --git a/settings/repository/org.broad/tribble-124M.jar b/settings/repository/org.broad/tribble-129M.jar
similarity index 79%
rename from settings/repository/org.broad/tribble-124M.jar
rename to settings/repository/org.broad/tribble-129M.jar
index 51780b5cb..0b00d42c6 100644
Binary files a/settings/repository/org.broad/tribble-124M.jar and b/settings/repository/org.broad/tribble-129M.jar differ
diff --git a/settings/repository/org.broad/tribble-124M.xml b/settings/repository/org.broad/tribble-129M.xml
similarity index 64%
rename from settings/repository/org.broad/tribble-124M.xml
rename to settings/repository/org.broad/tribble-129M.xml
index ffb0daf3d..7814d5097 100644
--- a/settings/repository/org.broad/tribble-124M.xml
+++ b/settings/repository/org.broad/tribble-129M.xml
@@ -1,3 +1,3 @@
 <ivy-module version="1.0">
-    <info organisation="org.broad" module="tribble" revision="124M" status="integration" publication="201007221854200" />
+    <info organisation="org.broad" module="tribble" revision="129M" status="integration" publication="201007231854200" />
 </ivy-module>