diff --git a/kubernetes-configs/voltha/dt-berlin-pod-gpon-adtran.yml b/kubernetes-configs/voltha/dt-berlin-pod-gpon-adtran.yml
index 865de76..1e03d38 100644
--- a/kubernetes-configs/voltha/dt-berlin-pod-gpon-adtran.yml
+++ b/kubernetes-configs/voltha/dt-berlin-pod-gpon-adtran.yml
@@ -26,7 +26,7 @@
   adapter_adtran_olt:
     registry: "10.34.90.43:443/"
     repository: "voltha-adtran-adapter"
-    tag: "1.4.0"
+    tag: "1.4.1.dev1"
 
 network:
   netconfUserSecret: ''