diff --git a/pkgs/development/python-modules/h5py/default.nix b/pkgs/development/python-modules/h5py/default.nix
index e9d14e56fd47..69507798cbe8 100644
--- a/pkgs/development/python-modules/h5py/default.nix
+++ b/pkgs/development/python-modules/h5py/default.nix
@@ -30,7 +30,7 @@ in buildPythonPackage rec {
 
   preBuild = if mpiSupport then "export CC=${mpi}/bin/mpicc" else "";
 
-  checkInputs = optional isPy27 unittest2;
+  checkInputs = optional isPy27 unittest2 ++ [ openssh ];
   nativeBuildInputs = [ pkgconfig ];
   buildInputs = [ hdf5 cython ]
     ++ optional mpiSupport mpi;
diff --git a/pkgs/development/python-modules/mpi4py/default.nix b/pkgs/development/python-modules/mpi4py/default.nix
index d3535589911c..5984f2bcb7cf 100644
--- a/pkgs/development/python-modules/mpi4py/default.nix
+++ b/pkgs/development/python-modules/mpi4py/default.nix
@@ -2,31 +2,17 @@
 
 buildPythonPackage rec {
   pname = "mpi4py";
-  version = "3.0.0";
+  version = "3.0.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1mzgd26dfv4vwbci8gq77ss9f0x26i9aqzq9b9vs9ndxhlnv0mxl";
+    sha256 = "0ld8rjmsjr0dklvj2g1gr3ax32sdq0xjxyh0cspknc1i36waajb5";
   };
 
   passthru = {
     inherit mpi;
   };
 
-  patches = [
-    (fetchpatch {
-      # Disable tests failing with 3.1.x and MPI_THREAD_MULTIPLE (upstream patch)
-      url = "https://bitbucket.org/mpi4py/mpi4py/commits/c2b6b7e642a182f9b00a2b8e9db363214470548a/raw";
-      sha256 = "0n6bz3kj4vcqb6q7d0mlj5vl6apn7i2bvfc9mpg59vh3wy47119q";
-    })
-    (fetchpatch {
-      # Open MPI: Workaround removal of MPI_{LB|UB} (upstream patch)
-      url = "https://bitbucket.org/mpi4py/mpi4py/commits/39ca784226460f9e519507269ebb29635dc8bd90/raw";
-      sha256 = "02kxikdlsrlq8yr5hca42536mxbrq4k4j8nqv7p1p2r0q21a919q";
-    })
-
-  ];
-
   postPatch = ''
     substituteInPlace test/test_spawn.py --replace \
                       "unittest.skipMPI('openmpi(<3.0.0)')" \