diff --git a/bsc/parastation/pscom.nix b/bsc/parastation/pscom.nix
new file mode 100644
index 0000000..00434e6
--- /dev/null
+++ b/bsc/parastation/pscom.nix
@@ -0,0 +1,22 @@
+{ stdenv
+, popt
+}:
+
+stdenv.mkDerivation rec {
+  pname = "pscom";
+  version = "5.4.6-1";
+
+  src = builtins.fetchTarball {
+    url = "https://github.com/ParaStation/${pname}/archive/${version}.tar.gz";
+    sha256 = "1n9ic0j94iy09j287cfpfy0dd2bk17qakf1ml669jkibxbc5fqk8";
+  };
+
+  postPatch = ''
+    patchShebangs ./
+  '';
+
+  buildInputs = [ popt ];
+  preferLocalBuild = true;
+
+  enableParallelBuilding = false;
+}
diff --git a/bsc/parastation/psmpi.nix b/bsc/parastation/psmpi.nix
new file mode 100644
index 0000000..e7950e2
--- /dev/null
+++ b/bsc/parastation/psmpi.nix
@@ -0,0 +1,33 @@
+{ stdenv
+, pscom
+, perl
+}:
+
+stdenv.mkDerivation rec {
+  pname = "psmpi";
+  version = "5.4.6-1";
+
+  src = builtins.fetchTarball {
+    url = "https://github.com/ParaStation/${pname}/archive/${version}.tar.gz";
+    sha256 = "1kr624216fz8pmfgbwdb3ks77pr6zhrssmn16j3pwaq5mkf3i9wc";
+  };
+
+  postPatch = ''
+    patchShebangs ./
+    echo "${version}" > VERSION
+  '';
+
+  preferLocalBuild = true;
+  buildInputs = [ pscom ];
+  nativeBuildInputs = [ perl ];
+  #makeFlags = [ "V=1" ];
+
+  configureFlags = [
+    "--with-confset=default"
+    "--with-threading"
+    "--disable-fortran"
+    "MPICH2_LDFLAGS=-lpsco"
+  ];
+
+  enableParallelBuilding = false;
+}
diff --git a/default.nix b/default.nix
index e003f67..ef392d7 100644
--- a/default.nix
+++ b/default.nix
@@ -38,6 +38,10 @@ let
       enableCxx = true;
     };
 
+    # ParaStation MPI
+    pscom = callPackage ./bsc/parastation/pscom.nix { };
+    psmpi = callPackage ./bsc/parastation/psmpi.nix { };
+
     # Default Intel MPI version is 2019 (the last one)
     impi = intel-mpi;
     intel-mpi = intel-mpi-2019;