diff --git a/sco_version.py b/sco_version.py
index 16ec61569..98f0f59b5 100644
--- a/sco_version.py
+++ b/sco_version.py
@@ -1,7 +1,7 @@
 # -*- mode: python -*-
 # -*- coding: utf-8 -*-
 
-SCOVERSION = "9.4.36"
+SCOVERSION = "9.4.20"
 
 SCONAME = "ScoDoc"