diff --git a/pkgs/development/python-modules/flexmock/default.nix b/pkgs/development/python-modules/flexmock/default.nix
new file mode 100644
index 00000000000..b80aafe3bf2
--- /dev/null
+++ b/pkgs/development/python-modules/flexmock/default.nix
@@ -0,0 +1,26 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pytest
+}:
+
+buildPythonPackage rec {
+  pname = "flexmock";
+  version = "0.10.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "fe95c8727f4db73dc8f2f7b4548bffe7992440a965fefd60da291abda5352c2b";
+  };
+
+  checkInputs = [ pytest ];
+  checkPhase = ''
+    py.test
+  '';
+
+  meta = with lib; {
+    description = "flexmock is a testing library for Python that makes it easy to create mocks,stubs and fakes.";
+    homepage = http://flexmock.readthedocs.org;
+    license = licenses.bsdOriginal;
+  };
+}
\ No newline at end of file
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 23e40d6c250..888b2008501 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1663,6 +1663,8 @@ in {
 
   fedpkg = callPackage ../development/python-modules/fedpkg { };
 
+  flexmock = callPackage ../development/python-modules/flexmock { };
+
   flit = callPackage ../development/python-modules/flit { };
 
   flowlogs_reader = callPackage ../development/python-modules/flowlogs_reader { };