diff --git a/win32/installer/hexchat-x64.skel.iss b/win32/installer/hexchat-x64.skel.iss
index b26e8c04..4fed20aa 100644
--- a/win32/installer/hexchat-x64.skel.iss
+++ b/win32/installer/hexchat-x64.skel.iss
@@ -21,6 +21,7 @@ CreateUninstallRegKey=not IsTaskSelected('portable')
 Uninstallable=not IsTaskSelected('portable')
 ArchitecturesAllowed=x64
 ArchitecturesInstallIn64BitMode=x64
+MinVersion=5.2
 
 [Types]
 Name: "normal"; Description: "Normal Installation"
diff --git a/win32/installer/hexchat-x86.skel.iss b/win32/installer/hexchat-x86.skel.iss
index bb7a2268..e1bc4d9f 100644
--- a/win32/installer/hexchat-x86.skel.iss
+++ b/win32/installer/hexchat-x86.skel.iss
@@ -20,6 +20,7 @@ ShowComponentSizes=no
 CreateUninstallRegKey=not IsTaskSelected('portable')
 Uninstallable=not IsTaskSelected('portable')
 ArchitecturesAllowed=x86 x64
+MinVersion=5.1
 
 [Types]
 Name: "normal"; Description: "Normal Installation"
diff --git a/win32/installer/hexchat-xp-x64.skel.iss b/win32/installer/hexchat-xp-x64.skel.iss
index b26e8c04..4fed20aa 100644
--- a/win32/installer/hexchat-xp-x64.skel.iss
+++ b/win32/installer/hexchat-xp-x64.skel.iss
@@ -21,6 +21,7 @@ CreateUninstallRegKey=not IsTaskSelected('portable')
 Uninstallable=not IsTaskSelected('portable')
 ArchitecturesAllowed=x64
 ArchitecturesInstallIn64BitMode=x64
+MinVersion=5.2
 
 [Types]
 Name: "normal"; Description: "Normal Installation"
diff --git a/win32/installer/hexchat-xp-x86.skel.iss b/win32/installer/hexchat-xp-x86.skel.iss
index bb7a2268..e1bc4d9f 100644
--- a/win32/installer/hexchat-xp-x86.skel.iss
+++ b/win32/installer/hexchat-xp-x86.skel.iss
@@ -20,6 +20,7 @@ ShowComponentSizes=no
 CreateUninstallRegKey=not IsTaskSelected('portable')
 Uninstallable=not IsTaskSelected('portable')
 ArchitecturesAllowed=x86 x64
+MinVersion=5.1
 
 [Types]
 Name: "normal"; Description: "Normal Installation"