diff --git a/extras/ghidra-setup.iss b/extras/ghidra-setup.iss
index d58794a..91cd690 100644
--- a/extras/ghidra-setup.iss
+++ b/extras/ghidra-setup.iss
@@ -27,7 +27,7 @@ DefaultGroupName={#MyAppNameOriginal}
 PrivilegesRequired=admin
 ;PrivilegesRequiredOverridesAllowed=dialog
 OutputBaseFilename=Toolkit_{#MyAppVersion}_Extras_Ghidra
-Compression=lzma
+Compression=lzma2/max
 SolidCompression=yes
 WizardStyle=modern
 ArchitecturesInstallIn64BitMode=x64