diff --git a/Lib/idlelib/idlever.py b/Lib/idlelib/idlever.py
index a18c676..42720f9 100644
--- a/Lib/idlelib/idlever.py
+++ b/Lib/idlelib/idlever.py
@@ -1 +1 @@
-IDLE_VERSION = "3.0rc3"
+IDLE_VERSION = "3.1a0"