diff --git a/Dockerfile b/Dockerfile
index d9b4570..b9492d0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,2 +1,3 @@
 FROM docker.elastic.co/elasticsearch/elasticsearch:6.2.2
 RUN cd /usr/share/elasticsearch/ && bin/elasticsearch-plugin install analysis-kuromoji
+RUN cd /usr/share/elasticsearch/ && bin/elasticsearch-plugin install analysis-smartcn