diff --git a/1.1/Dockerfile b/1.1/Dockerfile
index 275b578..4dad0bc 100644
--- a/1.1/Dockerfile
+++ b/1.1/Dockerfile
@@ -9,8 +9,8 @@ ARG PGID=845
 
 ENV PORT=34197 \
     RCON_PORT=27015 \
-    VERSION=1.1.20 \
-    SHA1=854903fac800de190db7c6f37a5a5b5ea9f64fab \
+    VERSION=1.1.21 \
+    SHA1=07e3745d743bff5b407b3ef120c16feecaf61d7c \
     SAVES=/factorio/saves \
     CONFIG=/factorio/config \
     MODS=/factorio/mods \
diff --git a/README.md b/README.md
index ae48210..0d6dd92 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Factorio [![Build Status](https://travis-ci.org/factoriotools/factorio-docker.svg?branch=master)](https://travis-ci.org/factoriotools/factorio-docker) ![Updater status](https://img.shields.io/endpoint?label=Updater%20status&logo=a&url=https%3A%2F%2Fhealthchecks.supersandro.de%2Fbadge%2F1a0a7698-445d-4e54-9e4b-f61a1544e01f%2FBO8VukOA%2Fmaintainer.shields) [![Docker Version](https://images.microbadger.com/badges/version/factoriotools/factorio.svg)](https://hub.docker.com/r/factoriotools/factorio/) [![Docker Pulls](https://img.shields.io/docker/pulls/factoriotools/factorio.svg?maxAge=600)](https://hub.docker.com/r/factoriotools/factorio/) [![Docker Stars](https://img.shields.io/docker/stars/factoriotools/factorio.svg?maxAge=600)](https://hub.docker.com/r/factoriotools/factorio/) [![Microbadger Layers](https://images.microbadger.com/badges/image/factoriotools/factorio.svg)](https://microbadger.com/images/factoriotools/factorio "Get your own image badge on microbadger.com")
 
-* `1.1.20`, `1.1`, `latest`, `stable` [(1.1/Dockerfile)](https://github.com/factoriotools/factorio-docker/blob/master/1.1/Dockerfile)
+* `1.1.21`, `1.1`, `latest`, `stable` [(1.1/Dockerfile)](https://github.com/factoriotools/factorio-docker/blob/master/1.1/Dockerfile)
 * `1.0.0`, `1.0` [(1.0/Dockerfile)](https://github.com/factoriotools/factorio-docker/blob/master/1.0/Dockerfile)
 * `0.18.47`, `0.18` [(0.18/Dockerfile)](https://github.com/factoriotools/factorio-docker/blob/master/0.18/Dockerfile)
 * `0.17.79`, `0.17` [(0.17/Dockerfile)](https://github.com/factoriotools/factorio-docker/blob/master/0.17/Dockerfile)