diff --git a/llvm.changes b/llvm.changes
index b2a5eed..c632815 100644
--- a/llvm.changes
+++ b/llvm.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Wed Mar 29 10:36:27 UTC 2017 - idonmez@suse.com
+
+- Update to version 4.0.0
+  * See:
+    + http://llvm.org/releases/4.0.0/docs/ReleaseNotes.html                                          
+    + http://llvm.org/releases/4.0.0/tools/clang/docs/ReleaseNotes.html                              
+    + http://llvm.org/releases/4.0.0/tools/clang/tools/extra/docs/ReleaseNotes.html 
+
 -------------------------------------------------------------------
 Wed Dec 21 09:23:27 UTC 2016 - idonmez@suse.com
 
diff --git a/llvm.spec b/llvm.spec
index 6fc5fc2..37fcaef 100644
--- a/llvm.spec
+++ b/llvm.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package llvm
 #
-# Copyright (c) 2016 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -16,9 +16,9 @@
 #
 
 
-%define _sonum  3_9
+%define _sonum  4
 Name:           llvm
-Version:        3.9.1
+Version:        4.0.0
 Release:        0
 Summary:        Low Level Virtual Machine
 License:        NCSA