diff --git a/stats/module/MOD-INF/lib/commons-math-2.1.jar b/stats/module/MOD-INF/lib/commons-math-2.1.jar
deleted file mode 100644
index 43b4b36..0000000
Binary files a/stats/module/MOD-INF/lib/commons-math-2.1.jar and /dev/null differ
diff --git a/stats/module/MOD-INF/lib/commons-math3-3.1.1.jar b/stats/module/MOD-INF/lib/commons-math3-3.1.1.jar
new file mode 100644
index 0000000..43b5215
Binary files /dev/null and b/stats/module/MOD-INF/lib/commons-math3-3.1.1.jar differ
diff --git a/stats/src/com/tribapps/refine/stats/Summarize.java b/stats/src/com/tribapps/refine/stats/Summarize.java
index e6eb1af..df9c0de 100644
--- a/stats/src/com/tribapps/refine/stats/Summarize.java
+++ b/stats/src/com/tribapps/refine/stats/Summarize.java
@@ -25,8 +25,8 @@
 import com.google.refine.browsing.RowVisitor;
 import com.google.refine.util.ParsingUtilities;
 
-import org.apache.commons.math.stat.descriptive.DescriptiveStatistics;
-import org.apache.commons.math.stat.descriptive.rank.Median;
+import org.apache.commons.math3.stat.descriptive.DescriptiveStatistics;
+import org.apache.commons.math3.stat.descriptive.rank.Median;
 
 public class Summarize extends Command {
     protected RowVisitor createRowVisitor(Project project, int cellIndex, List<Float> values) throws Exception {