diff --git a/lucene/README.md b/lucene/README.md
index fef428b7963..c9092ce4c0a 100644
--- a/lucene/README.md
+++ b/lucene/README.md
@@ -6,7 +6,7 @@ Lucene is a Java full-text search engine.  Lucene is not a complete
 application, but rather a code library and API that can easily be used
 to add search capabilities to applications.
 
- * The Lucene web site is at: http://lucene.apache.org/
+ * The Lucene web site is at: https://lucene.apache.org/
  * Please join the Lucene-User mailing list by sending a message to:
    java-user-subscribe@lucene.apache.org