diff --git a/setup.py b/setup.py
index 2e0a3563..16987c2a 100644
--- a/setup.py
+++ b/setup.py
@@ -46,7 +46,7 @@
 AUTHOR_EMAIL        = "nansat-dev@googlegroups.com"
 PLATFORMS           = ["Linux", "OS X", "Windows"]
 ISRELEASED          = True
-VERSION             = os.getenv('NANSAT_RELEASE', '1.5.2').lstrip('v')
+VERSION             = os.getenv('NANSAT_RELEASE', '1.5.3').lstrip('v')
 REQS                = [
                         "Pillow",
                         "pythesint",