diff --git a/src/racket/src/schvers.h b/src/racket/src/schvers.h
index 10ff176ecb..4110525107 100644
--- a/src/racket/src/schvers.h
+++ b/src/racket/src/schvers.h
@@ -13,11 +13,11 @@
    consistently.)
 */
 
-#define MZSCHEME_VERSION "5.1.90"
+#define MZSCHEME_VERSION "5.1.900"
 
 #define MZSCHEME_VERSION_X 5
 #define MZSCHEME_VERSION_Y 1
-#define MZSCHEME_VERSION_Z 90
+#define MZSCHEME_VERSION_Z 900
 #define MZSCHEME_VERSION_W 0
 
 #define MZSCHEME_VERSION_MAJOR ((MZSCHEME_VERSION_X * 100) + MZSCHEME_VERSION_Y)