diff --git a/Grokking the System Design Interview/Grokking the System Design Interview.md b/Grokking the System Design Interview/Grokking the System Design Interview.md
index e27fadf..c6f0de5 100644
--- a/Grokking the System Design Interview/Grokking the System Design Interview.md	
+++ b/Grokking the System Design Interview/Grokking the System Design Interview.md	
@@ -11,7 +11,7 @@ Junfan Zhu
 Course Links
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-https://www.educative.io/courses/grokking-the-system-design-interview/
+https://www.designgurus.io/course/grokking-the-system-design-interview/ 
 
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