diff --git a/README.md b/README.md
index f1b74e4..dddad97 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 An OnlineJudge System for OI.
 
 The UI is powered by [Semantic UI](http://semantic-ui.com/).  
-Template designed & coded by [Sengxian](http://www.sengxian.com) and [Menci](https://men.ci).
+Template designed & coded by [Sengxian](https://www.sengxian.com) and [Menci](https://men.ci).
 
 # Deploying
 There's currently *no* stable version of SYZOJ 2, but you can use the unstable version from git.