diff --git a/dist.ini b/dist.ini
index 89fd767..1839c8f 100644
--- a/dist.ini
+++ b/dist.ini
@@ -3,7 +3,7 @@ author  = Andrew J. Page <ap13@sanger.ac.uk>
 license = GPL_3
 copyright_holder = Wellcome Trust Sanger Institute
 copyright_year   = 2013
-version = 3.11.2
+version = 3.11.3
 main_module = lib/Bio/Roary.pm
 
 [MetaResources]
diff --git a/lib/Bio/Roary/External/CheckTools.pm b/lib/Bio/Roary/External/CheckTools.pm
index a580181..1a73cf5 100644
--- a/lib/Bio/Roary/External/CheckTools.pm
+++ b/lib/Bio/Roary/External/CheckTools.pm
@@ -62,23 +62,25 @@ my %tools = (
     },
     'kraken' => {
         GETVER => "kraken -v | head -n 1",
-        REGEXP => qr/(\d+\.\d+\.\d+.*)/,
+        REGEXP => qr/(\d+\.\d+\.*\d*.*)/,
         NEEDED => 0,
     },
     'kraken-report' => {
-        GETVER => "kraken-report --version | head -n 1",
-        REGEXP => qr/Kraken version (\d+\.\d+\.*\d*.*)/,
+        GETVER => "kraken-report -v | head -n 1",
+        REGEXP => qr/(\d+\.\d+\.*\d*.*)/,
         NEEDED => 0,
-    },
+    },	
 	'Rscript'  => {
         GETVER => "Rscript --version 2>&1 | head -n 1",
         REGEXP => qr/R scripting front-end version ($BIDEC)/,
 		MINVER => "3",
         NEEDED => 0,
     },
-
-    # prank version also performs an update check so cant use it
-    'prank' => { NEEDED => 0 },
+    'prank' => {
+        GETVER => "prank | grep -m 1 ^prank",
+        REGEXP => qr/prank v.(\d+)/,
+        NEEDED => 0,
+    },
 
     # now just the standard unix tools we need
     'grep' => { NEEDED => 1 },