diff --git a/Dockerfile b/Dockerfile
index ff8ef27..2b133b5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,7 +15,7 @@ ARG ARCH="amd64"
 ARG K3S_ROOT_VERSION="v0.9.1"
 ADD https://github.com/rancher/k3s-root/releases/download/${K3S_ROOT_VERSION}/k3s-root-xtables-${ARCH}.tar /opt/xtables/k3s-root-xtables.tar
 RUN tar xvf /opt/xtables/k3s-root-xtables.tar -C /opt/xtables
-ARG TAG="v0.14.0"
+ARG TAG="v0.14.0-dual-stack"
 ARG PKG="github.com/flannel-io/flannel"
 ARG SRC="github.com/flannel-io/flannel"
 RUN git clone --depth=1 https://${SRC}.git $GOPATH/src/${PKG}
diff --git a/Makefile b/Makefile
index 222e0c1..2890a42 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,7 @@ BUILD_META=-build$(shell date +%Y%m%d)
 ORG ?= rancher
 PKG ?= github.com/flannel-io/flannel
 SRC ?= github.com/flannel-io/flannel
-TAG ?= v0.14.0$(BUILD_META)
+TAG ?= v0.14.0-dual-stack$(BUILD_META)
 
 ifneq ($(DRONE_TAG),)
 TAG := $(DRONE_TAG)