diff --git a/Lib/idlelib/idlever.py b/Lib/idlelib/idlever.py
index 44811af..7de1b07 100644
--- a/Lib/idlelib/idlever.py
+++ b/Lib/idlelib/idlever.py
@@ -1 +1 @@
-IDLE_VERSION = "3.3.0a4"
+IDLE_VERSION = "3.3.0b1"