diff --git a/configure.ac b/configure.ac
index 60681efc..2f42c132 100644
--- a/configure.ac
+++ b/configure.ac
@@ -139,7 +139,7 @@ AC_CHECK_HEADER(libburn/libburn.h)
 AC_CHECK_HEADER(libisofs/libisofs.h)
 
 dnl Check for proper library versions
-LIBBURN_REQUIRED=0.6.0
+LIBBURN_REQUIRED=0.6.4
 LIBISOFS_REQUIRED=0.6.16
 PKG_CHECK_MODULES(LIBBURN, libburn-1 >= $LIBBURN_REQUIRED)
 PKG_CHECK_MODULES(LIBISOFS, libisofs-1 >= $LIBISOFS_REQUIRED)
diff --git a/libisoburn/libisoburn.h b/libisoburn/libisoburn.h
index 5462e6ac..558a4df4 100644
--- a/libisoburn/libisoburn.h
+++ b/libisoburn/libisoburn.h
@@ -224,7 +224,7 @@ void isoburn_version(int *major, int *minor, int *micro);
 */
 #define isoburn_libburn_req_major  0
 #define isoburn_libburn_req_minor  6
-#define isoburn_libburn_req_micro  0
+#define isoburn_libburn_req_micro  4
 
 
 /** 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 ac202a7e..e531bda9 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2009.03.14.113811"
+#define Xorriso_timestamP "2009.03.14.115711"