diff --git a/mingw-w64-winpthreads-4.0.1.tar.xz b/mingw-w64-winpthreads-4.0.1.tar.xz
deleted file mode 100644
index 0cd3102..0000000
--- a/mingw-w64-winpthreads-4.0.1.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:ef17e5e8d43abd259a0bbbd238194b5c426a8bd9d5be9da2619adf2fd25058f2
-size 315192
diff --git a/mingw-w64-winpthreads-4.0.4.tar.xz b/mingw-w64-winpthreads-4.0.4.tar.xz
new file mode 100644
index 0000000..70cb573
--- /dev/null
+++ b/mingw-w64-winpthreads-4.0.4.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3cb9d0c962245573cf7eb038409f1bb28891df7dbab2fb75cfc2f6ca68bd2f01
+size 317468
diff --git a/mingw64-winpthreads.changes b/mingw64-winpthreads.changes
index b6d1518..a77106d 100644
--- a/mingw64-winpthreads.changes
+++ b/mingw64-winpthreads.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri Sep  4 11:58:16 UTC 2015 - idonmez@suse.com
+
+- Update to version 4.0.4
+  * Major speed improvements to mutex & spinlock implementation
+
 -------------------------------------------------------------------
 Fri May 29 09:26:59 UTC 2015 - idonmez@suse.com
 
diff --git a/mingw64-winpthreads.spec b/mingw64-winpthreads.spec
index 6d127c9..3aced92 100644
--- a/mingw64-winpthreads.spec
+++ b/mingw64-winpthreads.spec
@@ -17,7 +17,7 @@
 
 
 Name:           mingw64-winpthreads
-Version:        4.0.1
+Version:        4.0.4
 Release:        0
 Summary:        A pthreads implementation for Windows
 License:        MIT and BSD-3-Clause