HI I am using samtool 0.1.19..its a older version ... how to update the samtools 1.4?..i tired "sudo apt-get install samtools 1.4"--> but i am getting error

Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation:

The following packages have unmet dependencies: libstarpu-1.1-4 : Conflicts: libstarpu-contrib-1.1-4 but 1.1.0+dfsg-2ubuntu1 is to be installed libstarpu-contrib-1.1-4 : Conflicts: libstarpu-1.1-4

after this i tired checking the version ...its the same old version..

thanks for the help in advance