Updated the README file.

Author: rliesenfeld

README.md

@@ -2,8 +2,8 @@ Codebase for JMockit 1.x releases - [Documentation](http://jmockit.github.io) -
 
 How to build the project:
 * use JDK 1.8 or newer
-* use Maven 3.5.0 or newer; the following are the top-level modules:
-    1. main/pom.xml: builds jmockit-1.n.jar, running JUnit and TestNG test suites
-    2. coverageTests/pom.xml: runs JUnit tests for the coverage tool
-    3. samples/pom.xml: various sample test suites (tutorial, LoginService, java8testing)
+* use Maven 3.6.0 or newer; the following are the top-level modules:
+    1. main/pom.xml: builds jmockit-1.n.jar, running JUnit 4 and TestNG test suites
+    2. coverageTests/pom.xml: runs JUnit 4 tests for the coverage tool
+    3. samples/pom.xml: various sample test suites (tutorial, LoginService, java8testing) using JUnit 4, 5, or TestNG 6
     4. samples/petclinic/pom.xml: integration testing example using Java EE 8