diff --git a/lib/xos-synchronizer/requirements.txt b/lib/xos-synchronizer/requirements.txt
index ee9f606..5639909 100644
--- a/lib/xos-synchronizer/requirements.txt
+++ b/lib/xos-synchronizer/requirements.txt
@@ -5,5 +5,5 @@
 multistructlog~=2.1.0
 networkx==2.2
 six~=1.12.0
-xosconfig~=3.2.5
-xosgenx~=3.2.5
+xosconfig~=4.0.0
+xosgenx~=4.0.0