diff --git a/pkgs/development/python-modules/theano-pymc/default.nix b/pkgs/development/python-modules/theano-pymc/default.nix
new file mode 100644
index 000000000000..ad0b93fe0940
--- /dev/null
+++ b/pkgs/development/python-modules/theano-pymc/default.nix
@@ -0,0 +1,48 @@
+{ lib
+, fetchPypi
+, buildPythonPackage
+, pythonOlder
+, pandas
+, numpy
+, scipy
+, filelock
+, pytest
+, nose
+, parameterized
+}:
+
+buildPythonPackage rec {
+  pname = "theano-pymc";
+  version = "1.1.2";
+  disabled = pythonOlder "3.6";
+
+  src = fetchPypi {
+    pname = "Theano-PyMC";
+    inherit version;
+    sha256 = "5da6c2242ea72a991c8446d7fe7d35189ea346ef7d024c890397011114bf10fc";
+  };
+
+  # No need for coverage stats in Nix builds
+  postPatch = ''
+    substituteInPlace setup.py --replace ", 'pytest-cov'" ""
+  '';
+
+  propagatedBuildInputs = [
+    pandas
+    numpy
+    scipy
+    filelock
+  ];
+
+  # The test suite is computationally intensive and test failures are not
+  # indicative for package usability hence tests are disabled by default.
+  doCheck = false;
+  pythonImportsCheck = [ "theano" ];
+
+  meta = {
+    description = "PyMC theano fork";
+    homepage = "https://github.com/majidaldo/Theano-PyMC";
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ nidabdella ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index fc2bb9bf5b5a..d4d32ce1741c 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -9854,6 +9854,8 @@ in {
 
   tgcrypto = callPackage ../development/python-modules/tgcrypto { };
 
+  theano-pymc = callPackage ../development/python-modules/theano-pymc { };
+
   Theano = callPackage ../development/python-modules/Theano rec {
     cudaSupport = pkgs.config.cudaSupport or false;
     cudnnSupport = cudaSupport;