diff --git a/installer/install.iss b/installer/install.iss
index b80397455d..2ad2eee44a 100644
--- a/installer/install.iss
+++ b/installer/install.iss
@@ -95,6 +95,7 @@ WizardImageBackColor=clWhite
 WizardImageStretch=no
 WizardImageFile={#SourcePath}\git.bmp
 WizardSmallImageFile={#SourcePath}\gitsmall.bmp
+MinVersion=6.3
 
 [Types]
 ; Define a custom type to avoid getting the three default types.