diff --git a/Dockerfile b/Dockerfile
index 105aaf7..929c43c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,7 +18,7 @@ RUN set -x && \
 
 FROM base_builder as cni_plugins_builder
 ARG TAG=v1.5.1
-ARG FLANNEL_TAG=v1.5.1-flannel1
+ARG FLANNEL_TAG=v1.5.1-flannel2
 ARG GOEXPERIMENT
 #clone and get dependencies
 RUN git clone --depth=1 https://github.com/containernetworking/plugins.git $GOPATH/src/github.com/containernetworking/plugins && \