diff --git a/deployment-configs/dt-berlin-pod-gpon-DT.yaml b/deployment-configs/dt-berlin-pod-gpon-DT.yaml
index 2b3195b..54f7388 100644
--- a/deployment-configs/dt-berlin-pod-gpon-DT.yaml
+++ b/deployment-configs/dt-berlin-pod-gpon-DT.yaml
@@ -56,7 +56,7 @@
       fortygig: False
       aggPort: 2
       serial: EC1912001814
-      oltDebVersion: openolt_asgvolt64-3.4.8-eec0fc9e9a01dc0d35b0b8441e0a22a4c0cc51b4-100G-NNI.deb
+      oltDebVersion: openolt_asgvolt64-3.5.1-b8c09facd3da5d93b7c2815e176c6682de737437-100G-NNI.deb
       board_technology: GPON
  
   hosts: