diff --git a/src/main/updater/http.ts b/src/main/updater/http.ts
index 6103f071..30c997a9 100644
--- a/src/main/updater/http.ts
+++ b/src/main/updater/http.ts
@@ -85,6 +85,7 @@ async function applyUpdates() {
 
     const data = await get(PendingUpdate);
     originalWriteFileSync(__dirname + ".new", data);
+    originalChmodSync(__dirname + ".new", "777");
     hasUpdateToApplyOnQuit = true;
 
     PendingUpdate = null;