diff --git a/pkgs/development/python-modules/pyro-ppl/default.nix b/pkgs/development/python-modules/pyro-ppl/default.nix
new file mode 100644
index 000000000000..f3bc353fe0e7
--- /dev/null
+++ b/pkgs/development/python-modules/pyro-ppl/default.nix
@@ -0,0 +1,38 @@
+{ buildPythonPackage, fetchPypi, lib, pytorch, contextlib2
+, graphviz, networkx, six, opt-einsum, tqdm }:
+buildPythonPackage rec {
+  version = "0.3.0";
+  pname = "pyro-ppl";
+
+  src = fetchPypi {
+    inherit version pname;
+    sha256 = "0shsnc5bia9k1fzmqnwwbm1x5qvac3zrq4lvyhg27rjgpcamvb9l";
+  };
+
+  propagatedBuildInputs = [
+    pytorch
+    contextlib2
+    # TODO(tom): graphviz pulls in a lot of dependencies - make
+    # optional when some time to figure out how.
+    graphviz
+    networkx
+    six
+    opt-einsum
+    tqdm
+  ];
+
+  # pyro not shipping tests do simple smoke test instead
+  checkPhase = ''
+    python -c "import pyro"
+    python -c "import pyro.distributions"
+    python -c "import pyro.infer"
+    python -c "import pyro.optim"
+  '';
+
+  meta = {
+    description = "A Python library for probabilistic modeling and inference";
+    homepage = http://pyro.ai;
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ teh ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index ca094e657d5b..37a5cc44ebb5 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2416,6 +2416,8 @@ in {
     cudaSupport = pkgs.config.cudaSupport or false;
   };
 
+  pyro-ppl = callPackage ../development/python-modules/pyro-ppl {};
+
   opt-einsum = callPackage ../development/python-modules/opt-einsum {};
 
   pytorchWithCuda = self.pytorch.override {