diff --git a/deployment-configs/dt-berlin-pod-gpon-DT.yaml b/deployment-configs/dt-berlin-pod-gpon-DT.yaml
index bac0a7a..59648a9 100644
--- a/deployment-configs/dt-berlin-pod-gpon-DT.yaml
+++ b/deployment-configs/dt-berlin-pod-gpon-DT.yaml
@@ -46,8 +46,8 @@
       fortygig: False
       aggPort: 2
       serial: EC1912001814
-      oltDebVersion: openolt_asgvolt64-2.5.0-dev-623be1bddecc19ae4bb200bd66c055674bae7e39.deb
-      oltDebVersion23: openolt_asgvolt64-2.5.0-dev-623be1bddecc19ae4bb200bd66c055674bae7e39.deb
+      oltDebVersion: openolt_asgvolt64-2.4.9-dev-d4aeca5a2094f7dc7c519913ab1558348c546dab.deb
+      oltDebVersion23: openolt_asgvolt64-2.4.9-dev-d4aeca5a2094f7dc7c519913ab1558348c546dab.deb
   
   hosts:
     src: