diff --git a/.gitignore b/.gitignore
index c12344f..1535758 100644
--- a/.gitignore
+++ b/.gitignore
@@ -31,3 +31,4 @@
 /mingw-w64-code-6233-trunk.zip
 /mingw-w64-code-6258-trunk.zip
 /mingw-w64-code-6277-trunk.zip
+/mingw-w64-code-6284-trunk.zip
diff --git a/mingw-headers.spec b/mingw-headers.spec
index d3b78d5..a9fb7dc 100644
--- a/mingw-headers.spec
+++ b/mingw-headers.spec
@@ -1,5 +1,5 @@
-%global snapshot_date 20130911
-%global snapshot_rev 6277
+%global snapshot_date 20130914
+%global snapshot_rev 6284
 %global branch trunk
 
 # The mingw-w64-headers provide the headers pthread_time.h
@@ -14,7 +14,7 @@
 
 Name:           mingw-headers
 Version:        2.0.999
-Release:        0.37.%{branch}.r%{snapshot_rev}.%{snapshot_date}%{?dist}
+Release:        0.38.%{branch}.r%{snapshot_rev}.%{snapshot_date}%{?dist}
 Summary:        Win32/Win64 header files
 
 License:        Public Domain and LGPLv2+ and ZPLv2.1
@@ -110,6 +110,11 @@ rm -f $RPM_BUILD_ROOT%{mingw64_includedir}/pthread_unistd.h
 
 
 %changelog
+* Sat Sep 14 2013 Erik van Pienbroek <epienbro@fedoraproject.org> - 2.0.999-0.38.trunk.r6284.20130914
+- Update to r6284 (20130914 snapshot)
+- Fixes 'VARIANT' has no member named 'bstrVal' errors (mingw-tk)
+- Fixes 'VARIANT' has no member named 'vt' errors (mingw-tk)
+
 * Wed Sep 11 2013 Erik van Pienbroek <epienbro@fedoraproject.org> - 2.0.999-0.37.trunk.r6277.20130911
 - Update to r6277 (20130911 snapshot)
 - Fixes multiple definition of IDListContainerIsConsistent failures
diff --git a/sources b/sources
index 40cbe2b..78238a5 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-4e254800917bcb05ec870318882b6813  mingw-w64-code-6277-trunk.zip
+b928a44a082d147ce74b255a5334bd1b  mingw-w64-code-6284-trunk.zip