diff --git a/libisoburn/libisoburn.h b/libisoburn/libisoburn.h
index 2c29b325..51bfc46e 100644
--- a/libisoburn/libisoburn.h
+++ b/libisoburn/libisoburn.h
@@ -208,7 +208,7 @@ void isoburn_version(int *major, int *minor, int *micro);
 */
 #define isoburn_libburn_req_major  0
 #define isoburn_libburn_req_minor  4
-#define isoburn_libburn_req_micro  8
+#define isoburn_libburn_req_micro  9
 
 
 /** The minimum version of libisofs to be used with this version of libisoburn
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index 31a00468..544c3754 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2008.07.12.184833"
+#define Xorriso_timestamP "2008.07.14.114515"