--- a/deepTools_macros.xml	Thu Apr 05 10:58:15 2018 -0400
+++ b/deepTools_macros.xml	Mon Jul 09 19:06:38 2018 -0400
@@ -1,10 +1,10 @@
 <macros>
 
     <token name="@THREADS@">--numberOfProcessors "\${GALAXY_SLOTS:-4}"</token>
-    <token name="@WRAPPER_VERSION@">3.0.2</token>
+    <token name="@WRAPPER_VERSION@">3.1.0</token>
     <xml name="requirements">
         <requirements>
-            <requirement type="package" version="3.0.2">deeptools</requirement>
+            <requirement type="package" version="3.1.0">deeptools</requirement>
             <requirement type="package" version="1.7">samtools</requirement>
         </requirements>
         <expand macro="stdio" />
@@ -603,6 +603,18 @@
                  (default: False)" />
     </xml>
 
+    <xml name="exactScaling">
+        <param argument="--exactScaling" type="boolean" truevalue="--exactScaling" falsevalue="" checked="False"
+            label="Compute an exact scaling factor"
+            help="Compute an exact scaling factor rather than one based on
+                  sampled reads. This is only useful in cases where you are
+                  filtering some alignments out AND this are both rare and
+                  tend to clump together in the genome. In such cases the
+                  region-based sampling employed by deepTools would produce
+                  inaccurate scaling factors. Note that this option results
+                  in the process taking significantly more time to complete." />
+    </xml>
+
     <xml name="input_save_matrix_values">
         <param argument="--saveMatrix" type="boolean" label="Save the matrix of values underlying the heatmap"/>
     </xml>