diff --git a/include/Version.h b/include/Version.h
index 7683298..47c2093 100644
--- a/include/Version.h
+++ b/include/Version.h
@@ -29,7 +29,7 @@
 // Product version as a single DWORD
 // Note: Used for version comparison within C/C++ code.
 //
-#define PRODUCT_VERSION          0x00ff0300
+#define PRODUCT_VERSION          0x00ff0400
 
 //
 // Product version by components
@@ -39,26 +39,26 @@
 //
 #define PRODUCT_VERSION_MAJ      0
 #define PRODUCT_VERSION_MIN      255
-#define PRODUCT_VERSION_REV      3
+#define PRODUCT_VERSION_REV      4
 #define PRODUCT_VERSION_BUILD    0
 
 //
 // Human readable product version and build year for UI
 //
-#define PRODUCT_VERSION_STR      "1.0-alpha3"
+#define PRODUCT_VERSION_STR      "1.0-alpha4"
 #define PRODUCT_BUILD_YEAR_STR   "2016"
 
 //
 // Numerical version presentation for ProductVersion propery in
 // MSI packages (syntax: N.N[.N[.N]])
 //
-#define PRODUCT_VERSION_INST     "0.255.3"
+#define PRODUCT_VERSION_INST     "0.255.4"
 
 //
 // The product code for ProductCode property in MSI packages
 // Replace with new on every version change, regardless how minor it is.
 //
-#define PRODUCT_VERSION_GUID     "{14FCBB4F-BA19-46D7-B881-CA5AE7F42991}"
+#define PRODUCT_VERSION_GUID     "{18A0CABB-BDE9-499B-B840-E955C69F9386}"
 
 //
 // Since the product name is not finally confirmed at the time of