diff --git a/configure.ac b/configure.ac
index 5ecfe58..4c709f7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ([2.63])
-AC_INIT([cryb.to], [0.20180426], [des@des.no], [cryb-to], [http://cryb.to/])
+AC_INIT([cryb.to], [0.20180506], [des@des.no], [cryb-to], [http://cryb.to/])
 AC_CONFIG_SRCDIR([include/cryb/core.h])
 AC_CONFIG_MACRO_DIR([m4])
 AM_INIT_AUTOMAKE([foreign no-dist-gzip dist-xz])
diff --git a/include/cryb/to.h b/include/cryb/to.h
index 942690d..f62abb2 100644
--- a/include/cryb/to.h
+++ b/include/cryb/to.h
@@ -30,7 +30,7 @@
 #ifndef CRYB_TO_H_INCLUDED
 #define CRYB_TO_H_INCLUDED
 
-#define CRYB_TO	20170904
+#define CRYB_TO	20180506
 
 #include <cryb/defs.h>