diff --git a/README.md b/README.md
index 9f0b4f4..26b2575 100644
--- a/README.md
+++ b/README.md
@@ -82,7 +82,7 @@ Then just use `steam` command to run Steam in docker.
 You may want to re-run this command later on in order to keep the image updated:
 
 ```sh
-docker build -t andrey01/steam .
+VERSION=$(git rev-parse HEAD | head -c8) make
 ```
 
 ## Troubleshooting