diff --git a/modules/util/Util/JSON.pm b/modules/util/Util/JSON.pm
index e543c65ab02bff71ddf3a6453279fdabbd4a5a0c..60a7d04854897421c77150ebce3d488b895996b8 100755
--- a/modules/util/Util/JSON.pm
+++ b/modules/util/Util/JSON.pm
@@ -83,7 +83,7 @@ __END__
 
 =head2 Ubuntu
 
-sudo apt-get install libfile-slurper-perl
+sudo apt-get install libjson-perl libjson-xs-perl libfile-slurper-perl
 
 =head1 AUTHOR