diff --git a/src/composite.xml b/src/composite.xml
index d16b6e7..535a0ee 100644
--- a/src/composite.xml
+++ b/src/composite.xml
@@ -26,7 +26,7 @@ authorization from the authors.
 -->
 <!-- This file describes version 0.3 of COMPOSITE. -->
 <xcb header="composite" extension-xname="Composite" extension-name="Composite"
-    major-version="0" minor-version="3">
+    major-version="0" minor-version="4">
 
   <import>xproto</import>
   <import>xfixes</import>