diff --git a/xorriso/configure_ac.txt b/xorriso/configure_ac.txt
index 20d21a20..750ef0c6 100644
--- a/xorriso/configure_ac.txt
+++ b/xorriso/configure_ac.txt
@@ -16,7 +16,7 @@ AC_SUBST(BURN_MICRO_VERSION)
 
 LIBISOFS_MAJOR_VERSION=0
 LIBISOFS_MINOR_VERSION=6
-LIBISOFS_MICRO_VERSION=17
+LIBISOFS_MICRO_VERSION=18
 AC_SUBST(LIBISOFS_MAJOR_VERSION)
 AC_SUBST(LIBISOFS_MINOR_VERSION)
 AC_SUBST(LIBISOFS_MICRO_VERSION)
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index 6cc0f9c8..569b3d66 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2009.04.15.185238"
+#define Xorriso_timestamP "2009.04.15.185359"