diff --git a/software/erp5testnode/software.cfg b/software/erp5testnode/software.cfg
index 5913f789f5c819ac1ab8088f26cf4c7fd63b843a..fbd97761a766127be9c76dd2b22f2b89aca4ab2b 100644
--- a/software/erp5testnode/software.cfg
+++ b/software/erp5testnode/software.cfg
@@ -141,7 +141,7 @@ Flask = 0.8
 
 # Required by:
 # slapos.cookbook==0.38
-PyXML = 0.8.5
+PyXML = 0.8.4
 
 # Required by:
 # hexagonit.recipe.cmmi==1.5.0