diff --git a/src/mzscheme/src/schvers.h b/src/mzscheme/src/schvers.h
index 2a90441ef8..bb41f21356 100644
--- a/src/mzscheme/src/schvers.h
+++ b/src/mzscheme/src/schvers.h
@@ -13,12 +13,12 @@
    consistently.)
 */
 
-#define MZSCHEME_VERSION "4.0"
+#define MZSCHEME_VERSION "4.0.0.1"
 
 #define MZSCHEME_VERSION_X 4
 #define MZSCHEME_VERSION_Y 0
 #define MZSCHEME_VERSION_Z 0
-#define MZSCHEME_VERSION_W 0
+#define MZSCHEME_VERSION_W 1
 
 #define MZSCHEME_VERSION_MAJOR ((MZSCHEME_VERSION_X * 100) + MZSCHEME_VERSION_Y)
 #define MZSCHEME_VERSION_MINOR ((MZSCHEME_VERSION_Z * 1000) + MZSCHEME_VERSION_W)