diff --git a/var/spack/repos/builtin/packages/mpich/package.py b/var/spack/repos/builtin/packages/mpich/package.py
index 4d6e9699e7..3b10904ef1 100644
--- a/var/spack/repos/builtin/packages/mpich/package.py
+++ b/var/spack/repos/builtin/packages/mpich/package.py
@@ -24,6 +24,7 @@ class Mpich(AutotoolsPackage):
     executables = ['^mpichversion$']
 
     version('develop', submodules=True)
+    version('3.4.2', sha256='5c19bea8b84e8d74cca5f047e82b147ff3fba096144270e3911ad623d6c587bf')
     version('3.4.1', sha256='8836939804ef6d492bcee7d54abafd6477d2beca247157d92688654d13779727')
     version('3.4',   sha256='ce5e238f0c3c13ab94a64936060cff9964225e3af99df1ea11b130f20036c24b')
     version('3.3.2', sha256='4bfaf8837a54771d3e4922c84071ef80ffebddbb6971a006038d91ee7ef959b9')