diff --git a/main.js b/main.js
index e7f41db..5e4c623 100644
--- a/main.js
+++ b/main.js
@@ -58,6 +58,17 @@ ipcMain.on('download', (e, args) => {
   dlDir = app.getPath('downloads');
   fullFile = dlDir + "/" + filename;
 
+  //Special case for handling the build that is from master. This is ALWAYS downloaded as there's no way of telling when it was last updated. 
+  if(filename == "master.hex" || filename == "master.ini") 
+  {
+    if(fs.existsSync(fullFile))
+    {
+      fs.unlinkSync(fullFile)
+      console.log('Master version selected, removing local file forcing re-download: ' + filename);
+    }
+
+  }
+
   //console.log("Filename: " + fullFile );
 
   fs.exists(fullFile, (exists) => {
diff --git a/package.json b/package.json
index 16a3dfd..6cf09dc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "SpeedyLoader",
-  "version": "1.0.1",
+  "version": "1.1.0",
   "description": "Speeduino universal firmware loader",
   "main": "main.js",
   "scripts": {