diff --git a/live/Slic3rPE.version b/live/Slic3rPE.version
index 32b7211..a6349e9 100644
--- a/live/Slic3rPE.version
+++ b/live/Slic3rPE.version
@@ -1 +1 @@
-1.40.0
+1.40.0-alpha