diff --git a/Makefile b/Makefile
index 2a318409b..25eaf3016 100644
--- a/Makefile
+++ b/Makefile
@@ -278,7 +278,7 @@ realclean: clean
 		$(DOCKERHUB_USER)/scope $(DOCKERHUB_USER)/cloud-agent \
 		$(DOCKERHUB_USER)/scope:$(IMAGE_TAG) $(DOCKERHUB_USER)/cloud-agent:$(IMAGE_TAG) \
 		weaveworks/weaveexec:$(WEAVENET_VERSION) \
-		ubuntu:yakkety alpine:3.5 node:6.9.0 2>/dev/null || true
+		ubuntu:bionic alpine:3.11 node:6.9.0 2>/dev/null || true
 
 # Dependencies are intentionally build without enforcing any tags
 # since they are build on the host