diff --git a/configure.ac b/configure.ac
index dac7ad59..b8c5f393 100644
--- a/configure.ac
+++ b/configure.ac
@@ -100,7 +100,7 @@ AC_CHECK_HEADER(libisofs/libisofs.h)
 
 dnl Check for proper library versions
 LIBBURN_REQUIRED=0.4.8
-LIBISOFS_REQUIRED=0.6.4
+LIBISOFS_REQUIRED=0.6.6
 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 40d97194..0be13809 100644
--- a/libisoburn/libisoburn.h
+++ b/libisoburn/libisoburn.h
@@ -188,7 +188,7 @@ void isoburn_version(int *major, int *minor, int *micro);
 */
 #define isoburn_libisofs_req_major  0
 #define isoburn_libisofs_req_minor  6
-#define isoburn_libisofs_req_micro  4
+#define isoburn_libisofs_req_micro  6
 
 /** The minimum version of libburn to be used with this version of libisoburn
     at compile time.
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index af733ad5..4d09691b 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2008.06.01.145038"
+#define Xorriso_timestamP "2008.06.01.145155"