diff --git a/build.ps1 b/build.ps1
index 65eab4d..b885014 100644
--- a/build.ps1
+++ b/build.ps1
@@ -1,6 +1,22 @@
-node import-data.js
+$ErrorActionPreference = 'Stop'
+
+$version = (gc .\extension\manifest.json | convertfrom-json).version
+$archiveDir = "C:\ML\shinigami-eyes-releases"
+
+
+$out = "$archiveDir\shinigami-eyes-$version.xpi"
+if(Test-Path $out){ throw 'Release already exists.' }
+
+node import-data.js
 cd extension
 del ..\ShinigamiEyes.xpi -ErrorAction Ignore
 7z a ..\ShinigamiEyes.xpi * -mm=Copy
 cd ..
 
+
+copy ShinigamiEyes.xpi $out
+7z a "$archiveDir\shinigami-eyes-lists-$version.7z" -mx9 C:\ML\facebook\transphobic.txt C:\ML\facebook\t-friendly.txt
+CheckExitCode
+
+
+