diff --git a/tools/data_source/upload.xml b/tools/data_source/upload.xml
index 4a459a12979..3211ff2f2b2 100644
--- a/tools/data_source/upload.xml
+++ b/tools/data_source/upload.xml
@@ -5,6 +5,9 @@
     from your computer  
   </description>
   <action module="galaxy.tools.actions.upload" class="UploadToolAction"/>
+  <requirements>
+      <requirement type="package">samtools</requirement>
+  </requirements>
   <command interpreter="python">
       upload.py $GALAXY_ROOT_DIR $GALAXY_DATATYPES_CONF_FILE $paramfile
     #set $outnum = 0
diff --git a/tools/samtools/sam_pileup.xml b/tools/samtools/sam_pileup.xml
index bdb3fe92822..e51377f5aac 100644
--- a/tools/samtools/sam_pileup.xml
+++ b/tools/samtools/sam_pileup.xml
@@ -1,7 +1,7 @@
 <tool id="sam_pileup" name="Generate pileup" version="1.1.1">
   <description>from BAM dataset</description>
   <requirements>
-    <requirement type="package">samtools</requirement>
+    <requirement type="package" version="0.1.16">samtools</requirement>
   </requirements>
   <command interpreter="python">
     sam_pileup.py