diff --git a/README.md b/README.md
index 8d4c354..f92cfe2 100644
--- a/README.md
+++ b/README.md
@@ -205,7 +205,7 @@ sudo dockerd
 ```
 - Build Docker image:
 ```
-docker build . -t mirror-bot
+sudo docker build . -t mirror-bot
 ```
 - Run the image:
 ```