diff --git a/xorriso/configure_ac.txt b/xorriso/configure_ac.txt
index 8849805a..ac2d2a03 100644
--- a/xorriso/configure_ac.txt
+++ b/xorriso/configure_ac.txt
@@ -23,7 +23,7 @@ AC_SUBST(BURN_MICRO_VERSION)
 
 LIBISOFS_MAJOR_VERSION=0
 LIBISOFS_MINOR_VERSION=6
-LIBISOFS_MICRO_VERSION=31
+LIBISOFS_MICRO_VERSION=33
 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 cb260a57..81f6ce0e 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2010.05.03.123759"
+#define Xorriso_timestamP "2010.05.03.165446"