diff --git a/Doc/GPTune_UsersGuide.pdf b/Doc/GPTune_UsersGuide.pdf
index cf0f45ba..2df7ddfb 100644
Binary files a/Doc/GPTune_UsersGuide.pdf and b/Doc/GPTune_UsersGuide.pdf differ
diff --git a/GPTune/__version__.py b/GPTune/__version__.py
index 66cd876c..44f23fb3 100755
--- a/GPTune/__version__.py
+++ b/GPTune/__version__.py
@@ -1,4 +1,4 @@
-VERSION = (3, 0, 0)
+VERSION = (4, 0, 0)
 
 __version__ = '.'.join(map(str, VERSION))