diff --git a/Lib/idlelib/idlever.py b/Lib/idlelib/idlever.py
index d4178b8..1ffbc76 100644
--- a/Lib/idlelib/idlever.py
+++ b/Lib/idlelib/idlever.py
@@ -1 +1 @@
-IDLE_VERSION = "3.5.0a0"
+IDLE_VERSION = "3.5.0a1"