diff --git a/source/texk/web2c/luatexdir/luatex.c b/source/texk/web2c/luatexdir/luatex.c
index 7474ce3323b043eedcd158fbdff2712dbd5b4161..23e5252dcf5893bab0d8e95252df0004a6d36a25 100644
--- a/source/texk/web2c/luatexdir/luatex.c
+++ b/source/texk/web2c/luatexdir/luatex.c
@@ -28,10 +28,10 @@
 
 #define TeX
 
-int luatex_version = 88;        /* \.{\\luatexversion}  */
+int luatex_version = 89;        /* \.{\\luatexversion}  */
 int luatex_revision = '0';      /* \.{\\luatexrevision}  */
-int luatex_date_info = 2016011500;     /* the compile date is now hardwired */
-const char *luatex_version_string = "beta-0.88.0";
+int luatex_date_info = 2016012800;     /* the compile date is now hardwired */
+const char *luatex_version_string = "beta-0.89.0";
 const char *engine_name = my_name;     /* the name of this engine */
 
 #include <kpathsea/c-ctype.h>