diff --git a/DnsServerWindowsSetup/DnsServerSetup.iss b/DnsServerWindowsSetup/DnsServerSetup.iss
index f67f9419..6c4c03b9 100644
--- a/DnsServerWindowsSetup/DnsServerSetup.iss
+++ b/DnsServerWindowsSetup/DnsServerSetup.iss
@@ -2,7 +2,7 @@
 ; SEE THE DOCUMENTATION FOR DETAILS ON CREATING INNO SETUP SCRIPT FILES!
 
 #define MyAppName "Technitium DNS Server"
-#define MyAppVersion "8.1.4"
+#define MyAppVersion "9.0"
 #define MyAppPublisher "Technitium"
 #define MyAppURL "https://technitium.com/dns/"
 #define MyAppExeName "DnsServerSystemTrayApp.exe"