diff --git a/core-java-modules/core-java-io-4/README.md b/core-java-modules/core-java-io-4/README.md
index 0ce69237bb..be58338fd8 100644
--- a/core-java-modules/core-java-io-4/README.md
+++ b/core-java-modules/core-java-io-4/README.md
@@ -6,4 +6,5 @@ This module contains articles about core Java input and output (IO)
 
 - [Java File Separator vs File Path Separator](https://www.baeldung.com/java-file-vs-file-path-separator)
 - [Simulate touch Command in Java](https://www.baeldung.com/java-simulate-touch-command)
+- [SequenceInputStream Class in Java](https://www.baeldung.com/java-sequenceinputstream)
 - [[<-- Prev]](/core-java-modules/core-java-io-3)