diff --git a/Dockerfile b/Dockerfile
index 8901a8d..130b79f 100755
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,7 +15,7 @@
 
 #----------------------------------------------------------
 
-FROM nexus3.o-ran-sc.org:10004/o-ran-sc/bldr-ubuntu18-c-go:8-u18.04 AS appmgr-build
+FROM nexus3.o-ran-sc.org:10004/o-ran-sc/bldr-ubuntu18-c-go:9-u18.04 AS appmgr-build
 
 RUN apt-get update -y && apt-get install -y jq