diff --git a/xorriso/configure_ac.txt b/xorriso/configure_ac.txt
index 273824fa..a8869bae 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=29
+LIBISOFS_MICRO_VERSION=31
 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 bfe4bca3..798aa321 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2010.04.17.171147"
+#define Xorriso_timestamP "2010.04.17.171232"