diff --git a/source/texk/web2c/luatexdir/luatex.c b/source/texk/web2c/luatexdir/luatex.c
index eb3f359392c8b17cde7f8df79bba2903d590f9f4..d2cf856d4684f4da08c236c45941598a6e16509a 100644
--- a/source/texk/web2c/luatexdir/luatex.c
+++ b/source/texk/web2c/luatexdir/luatex.c
@@ -29,9 +29,9 @@
 #define TeX
 
 int luatex_version = 99;        /* \.{\\luatexversion}  */
-int luatex_revision = '1';      /* \.{\\luatexrevision}  */
+int luatex_revision = '5';      /* \.{\\luatexrevision}  */
 int luatex_date_info = 2016092300;     /* the compile date is now hardwired */
-const char *luatex_version_string = "0.99.1";
+const char *luatex_version_string = "0.99.5";
 const char *engine_name = my_name;     /* the name of this engine */
 
 #include <kpathsea/c-ctype.h>