diff --git a/deployment-configs/dt-berlin-pod-gpon-DT.yaml b/deployment-configs/dt-berlin-pod-gpon-DT.yaml
index 8868b38..d8e48ea 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_asgvolt64-3.4.1-dev-261e7bc983a502001c9fcb983ec173aad273059c-100G-NNI.deb
+      oltDebVersion: openolt_asgvolt64-3.4.8-eec0fc9e9a01dc0d35b0b8441e0a22a4c0cc51b4-100G-NNI.deb
       oltDebVersion23: openolt_asgvolt64-3.3.3-1a5d68b50d8bcc5ba6cb1630d3294c30c37cd2f5-100G-NNI.deb
  
   hosts: