diff --git a/deployment-configs/dt-berlin-pod-openonugo-DT.yaml b/deployment-configs/dt-berlin-pod-openonugo-DT.yaml
index 2e312d4..8868b38 100644
--- a/deployment-configs/dt-berlin-pod-openonugo-DT.yaml
+++ b/deployment-configs/dt-berlin-pod-openonugo-DT.yaml
@@ -56,7 +56,7 @@
       fortygig: False
       aggPort: 2
       serial: EC1912001814
-      oltDebVersion: openolt_asgvolt64-3.3.3-1a5d68b50d8bcc5ba6cb1630d3294c30c37cd2f5-100G-NNI.deb
+      oltDebVersion: openolt_asgvolt64-3.4.1-dev-261e7bc983a502001c9fcb983ec173aad273059c-100G-NNI.deb
       oltDebVersion23: openolt_asgvolt64-3.3.3-1a5d68b50d8bcc5ba6cb1630d3294c30c37cd2f5-100G-NNI.deb
  
   hosts: