diff --git a/Setup/Setup.vdproj b/Setup/Setup.vdproj
index 52a697a..881d7cd 100644
--- a/Setup/Setup.vdproj
+++ b/Setup/Setup.vdproj
@@ -415,12 +415,12 @@
         "Name" = "8:Microsoft Visual Studio"
         "ProductName" = "8:Mystter"
         "ProductCode" = "8:{83476ADF-249E-43FB-AB6A-89910C1FE9C2}"
-        "PackageCode" = "8:{387AAF50-BE88-424D-B9C2-5F12E966D77A}"
+        "PackageCode" = "8:{2927664F-511A-4C60-9501-12118E3F9065}"
         "UpgradeCode" = "8:{1290B656-B260-49E7-B8B4-888B46788C01}"
         "AspNetVersion" = "8:4.0.30319.0"
         "RestartWWWService" = "11:FALSE"
         "RemovePreviousVersions" = "11:TRUE"
-        "DetectNewerInstalledVersion" = "11:FALSE"
+        "DetectNewerInstalledVersion" = "11:TRUE"
         "InstallAllUsers" = "11:FALSE"
         "ProductVersion" = "8:1.4.1"
         "Manufacturer" = "8:Maisu"