diff --git a/Dockerfile b/Dockerfile
index d598fef..1b7ac00 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
 FROM fluent/fluentd:v1.16-debian-1
 USER root
-RUN ["gem", "install", "fluent-plugin-elasticsearch", "--no-document"]
+RUN ["gem", "install", "fluent-plugin-elasticsearch", "rewrite_tag_filter", "--no-document"]
 USER fluent