diff --git a/doc/conf.py b/doc/conf.py
index dedcff5b6..ae5794da6 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -52,7 +52,7 @@ copyright = u'2015, Antoine Nguyen'
 # The short X.Y version.
 version = '1.5'
 # The full version, including alpha/beta/rc tags.
-release = '1.5.0'
+release = '1.5.1'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/setup.py b/setup.py
index dab7ebcc9..62e39d994 100644
--- a/setup.py
+++ b/setup.py
@@ -54,7 +54,7 @@ def read(fname):
 
 setup(
     name="modoboa",
-    version='1.5.0',
+    version='1.5.1',
     url='http://modoboa.org/',
     license='MIT',
     description="Mail hosting made simple",