how to update apache maven

installed maven version 3.1.0
update maven version is 3.3.1
maven.apache.org

rename apache-maven.bck
C:\Downloads\apache-maven

extract apache-maven-3.3.1-bin.zip
under
C:\Downloads\apache-maven

eclipse luna configuration
Windows > Preferences > Installations > Add
Installation home :C:\Downloads\apache-maven

Tick new maven config
Apply > OK