README.md in goodcheck-2.3.0 vs README.md in goodcheck-2.3.1

- old
+ new

@@ -372,11 +372,11 @@
 Pick a version of Goodcheck from images page.
 
 - https://hub.docker.com/r/sider/goodcheck/
 
 ```bash
-$ docker pull sider/goodcheck:2.3.0
-$ docker run -t --rm -v "$(pwd):/work" sider/goodcheck:2.3.0 check
+$ docker pull sider/goodcheck:2.3.1
+$ docker run -t --rm -v "$(pwd):/work" sider/goodcheck:2.3.1 check
 ```
 
 We don't recommend using `latest` tag.
 It updates every time we push a commit to `master` branch, and may include a version which is not ready for publish.
 