diff --git a/src/Core/GcUpgrade.h b/src/Core/GcUpgrade.h
index d1a9de40a..5fce7bc59 100644
--- a/src/Core/GcUpgrade.h
+++ b/src/Core/GcUpgrade.h
@@ -74,6 +74,7 @@
 // 3941 - V4.0 DEV BUILD 1604
 // 3942 - V4.0 DEV BUILD 1605
 // 3943 - V4.0 DEV BUILD 1606
+// 3944 - V4.0 DEV BUILD 1607
 
 #define VERSION3_BUILD    3010 // released
 #define VERSION3_SP1      3030 // released
@@ -88,8 +89,8 @@
 #define VERSION31_BUILD VERSION31_UPG
 
 // the next two will with each build/release
-#define VERSION_LATEST 3943
-#define VERSION_STRING "V4.0 DEV1606"
+#define VERSION_LATEST 3944
+#define VERSION_STRING "V4.0 DEV1607"
 
 // default config for this release cycle
 #define VERSION_CONFIG_PREFIX "http://www.goldencheetah.org/defaults/4.0"