diff --git a/core-java-modules/core-java-numbers-7/README.md b/core-java-modules/core-java-numbers-7/README.md
index e86d199d97..271f4833e3 100644
--- a/core-java-modules/core-java-numbers-7/README.md
+++ b/core-java-modules/core-java-numbers-7/README.md
@@ -2,3 +2,4 @@
 - [Check if a double Is an Integer in Java](https://www.baeldung.com/java-check-double-integer)
 - [Print a Double Value Without Scientific Notation in Java](https://www.baeldung.com/java-print-double-number-no-scientific-notation)
 - [Check if a Float Value is Equivalent to an Integer Value in Java](https://www.baeldung.com/java-float-integer-equal)
+- [Generating Unique Positive Long Using SecureRandom in Java](https://www.baeldung.com/java-securerandom-generate-positive-long)