Specify version in websphere-liberty FROM instructions

library/websphere-liberty

@@ -2,7 +2,7 @@ Maintainers: Wendy Raschke <[email protected]> (@wraschke),
              Andy Naumann <[email protected]> (@naumanna),
              Arthur De Magalhaes <[email protected]> (@arthurdm)
 GitRepo: https://github.com/WASdev/ci.docker.git
-GitCommit: b042200103140fb529e94bb45a35f519057b5d42
+GitCommit: 1f420974a387fddfe980659f8536473b398143c9
 Architectures: amd64, i386, ppc64le, s390x
 
 Tags: beta