diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 44738a690..9877cafe6 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,8 @@
+2015-11-18  Corinna Vinschen  <corinna@vinschen.de>
+
+	* include/cygwin/version.h (CYGWIN_VERSION_DLL_MAJOR): Bump to 2004.
+	(CYGWIN_VERSION_API_MINOR): Reset to 0.
+
 2015-11-18  Corinna Vinschen  <corinna@vinschen.de>
 
 	* collate.h (__collate_load_error): Convert to extern declaration.
diff --git a/winsup/cygwin/include/cygwin/version.h b/winsup/cygwin/include/cygwin/version.h
index 2edd7d747..c5b75eede 100644
--- a/winsup/cygwin/include/cygwin/version.h
+++ b/winsup/cygwin/include/cygwin/version.h
@@ -42,8 +42,8 @@ details. */
 	 the Cygwin shared library".  This version is used to track important
 	 changes to the DLL and is mainly informative in nature. */
 
-#define CYGWIN_VERSION_DLL_MAJOR 2003
-#define CYGWIN_VERSION_DLL_MINOR 1
+#define CYGWIN_VERSION_DLL_MAJOR 2004
+#define CYGWIN_VERSION_DLL_MINOR 0
 
       /* Major numbers before CYGWIN_VERSION_DLL_EPOCH are
 	 incompatible. */