diff --git a/core/src/main/java/org/apache/accumulo/core/util/Stat.java b/core/src/main/java/org/apache/accumulo/core/util/Stat.java
index d2d560e..2fdfd62 100644
--- a/core/src/main/java/org/apache/accumulo/core/util/Stat.java
+++ b/core/src/main/java/org/apache/accumulo/core/util/Stat.java
@@ -16,12 +16,12 @@
  */
 package org.apache.accumulo.core.util;
 
-import org.apache.commons.math.stat.descriptive.StorelessUnivariateStatistic;
-import org.apache.commons.math.stat.descriptive.moment.Mean;
-import org.apache.commons.math.stat.descriptive.moment.StandardDeviation;
-import org.apache.commons.math.stat.descriptive.rank.Max;
-import org.apache.commons.math.stat.descriptive.rank.Min;
-import org.apache.commons.math.stat.descriptive.summary.Sum;
+import org.apache.commons.math3.stat.descriptive.StorelessUnivariateStatistic;
+import org.apache.commons.math3.stat.descriptive.moment.Mean;
+import org.apache.commons.math3.stat.descriptive.moment.StandardDeviation;
+import org.apache.commons.math3.stat.descriptive.rank.Max;
+import org.apache.commons.math3.stat.descriptive.rank.Min;
+import org.apache.commons.math3.stat.descriptive.summary.Sum;
 
 public class Stat {
   Min min;
diff --git a/core/src/main/java/org/apache/accumulo/core/file/rfile/RFile.java b/core/src/main/java/org/apache/accumulo/core/file/rfile/RFile.java
index d2d560e..2fdfd62 100644
--- a/core/src/main/java/org/apache/accumulo/core/file/rfile/RFile.java
+++ b/core/src/main/java/org/apache/accumulo/core/file/rfile/RFile.java
@@ -64,7 +64,7 @@
 import org.apache.accumulo.core.iterators.system.LocalityGroupIterator.LocalityGroup;
 import org.apache.accumulo.core.util.MutableByteSequence;
 import org.apache.commons.lang.mutable.MutableLong;
-import org.apache.commons.math.stat.descriptive.SummaryStatistics;
+import org.apache.commons.math3.stat.descriptive.SummaryStatistics;
 import org.apache.hadoop.io.Writable;
 import org.apache.log4j.Logger;