diff --git a/libisoburn/trunk/configure.ac b/libisoburn/trunk/configure.ac
index f2fd7351..9f1fad30 100644
--- a/libisoburn/trunk/configure.ac
+++ b/libisoburn/trunk/configure.ac
@@ -100,8 +100,8 @@ AC_CHECK_HEADER(libburn/libburn.h)
 AC_CHECK_HEADER(libisofs/libisofs.h)
 
 dnl Check for proper library versions
-LIBBURN_REQUIRED=0.5.2
-LIBISOFS_REQUIRED=0.6.8
+LIBBURN_REQUIRED=0.5.4
+LIBISOFS_REQUIRED=0.6.9
 PKG_CHECK_MODULES(LIBBURN, libburn-1 >= $LIBBURN_REQUIRED)
 PKG_CHECK_MODULES(LIBISOFS, libisofs-1 >= $LIBISOFS_REQUIRED)
 
diff --git a/libisoburn/trunk/libisoburn/libisoburn.h b/libisoburn/trunk/libisoburn/libisoburn.h
index 7e3b8165..64c94187 100644
--- a/libisoburn/trunk/libisoburn/libisoburn.h
+++ b/libisoburn/trunk/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  5
-#define isoburn_libburn_req_micro  2
+#define isoburn_libburn_req_micro  4
 
 
 /** The minimum version of libisofs to be used with this version of libisoburn
diff --git a/libisoburn/trunk/xorriso/xorriso_timestamp.h b/libisoburn/trunk/xorriso/xorriso_timestamp.h
index d526ceb1..ffe016ae 100644
--- a/libisoburn/trunk/xorriso/xorriso_timestamp.h
+++ b/libisoburn/trunk/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2008.10.05.125046"
+#define Xorriso_timestamP "2008.10.05.125242"