diff --git a/testing-modules/junit-5-advanced/README.md b/testing-modules/junit-5-advanced/README.md
index a89bcd2de2..873ab0835b 100644
--- a/testing-modules/junit-5-advanced/README.md
+++ b/testing-modules/junit-5-advanced/README.md
@@ -9,3 +9,4 @@
 - [JUnit – Testing Methods That Call System.exit()](https://www.baeldung.com/junit-system-exit)
 - [Single Assert Call for Multiple Properties in Java Unit Testing](https://www.baeldung.com/java-testing-single-assert-multiple-properties)
 - [Creating a Test Suite With JUnit](https://www.baeldung.com/java-junit-test-suite)
+- [Testing Interface Contract in Java](https://www.baeldung.com/java-junit-verify-interface-contract)