diff --git a/ISFinder_search.py b/ISFinder_search.py
index 949dfd5..5174f02 100755
--- a/ISFinder_search.py
+++ b/ISFinder_search.py
@@ -11,6 +11,7 @@
 import argparse
 import sys
 import requests
+from lib import variables
 try:
     from HTMLParser import HTMLParser
 except ImportError:
@@ -40,7 +41,7 @@
 command.add_argument('file', nargs="+", type=argparse.FileType("r"), \
     help='PanISa result files to merge')
 command.add_argument('-v', '--version', action='version', \
-    version='%(prog)s 0.1.4')
+    version='%(prog)s ' + variables.version)
 
 
 class URLParser(HTMLParser):
diff --git a/annotateISresult.py b/annotateISresult.py
index da858ff..68dc641 100755
--- a/annotateISresult.py
+++ b/annotateISresult.py
@@ -10,7 +10,8 @@
 
 import argparse
 import sys
-from lib import gff 
+from lib import gff
+from lib import variables
 
 desc = "annotated an ISFinder result with gene informations"
 command = argparse.ArgumentParser(prog='annotateISresult.py', \
@@ -32,7 +33,7 @@
 command.add_argument('gff', type=argparse.FileType("r"), \
     help='Gff file containing annotation of genome')
 command.add_argument('-v', '--version', action='version', \
-    version='%(prog)s 0.1.0')
+    version='%(prog)s ' + variables.version)
 
 def splitline(line):
     return line.rstrip("\n").split("\t")
diff --git a/lib/variables.py b/lib/variables.py
index 024865a..6403d5b 100644
--- a/lib/variables.py
+++ b/lib/variables.py
@@ -9,3 +9,4 @@
 """List of global variable setup"""
 
 cigarclip = set([4,5])
+version="0.1.5"
diff --git a/panISa.py b/panISa.py
index 7432081..4dc0c91 100755
--- a/panISa.py
+++ b/panISa.py
@@ -15,6 +15,7 @@
 from lib import bamreader
 from lib.couple  import Couples
 from lib.writer import writetabular
+from lib import variables
 
 desc = "Search integrative element (IS) insertion on a genome using BAM alignment"
 command = argparse.ArgumentParser(prog='panISa.py', \
@@ -37,7 +38,7 @@
 command.add_argument('bam', type=argparse.FileType("r"), \
     help='Alignment on BAM/SAM format')
 command.add_argument('-v', '--version', action='version', \
-    version='%(prog)s 0.1.4')
+    version='%(prog)s ' + variables.version)
 
 
 if __name__=='__main__':