diff --git a/pkgs/development/python-modules/expiringdict/default.nix b/pkgs/development/python-modules/expiringdict/default.nix
new file mode 100644
index 00000000000..23ca9c1c3f2
--- /dev/null
+++ b/pkgs/development/python-modules/expiringdict/default.nix
@@ -0,0 +1,44 @@
+{ lib
+, buildPythonApplication
+, fetchFromGitHub
+, dill
+, coverage
+, coveralls
+, mock
+, nose
+}:
+
+buildPythonApplication rec {
+  pname = "expiringdict";
+  version = "1.2.1";
+
+  # use fetchFromGitHub instead of fetchPypi because the test suite of
+  # the package is not included into the PyPI tarball
+  src = fetchFromGitHub {
+    owner = "mailgun";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "07g1vxznmim78bankfl9brr01s31sksdcpwynq1yryh6xw9ri5xs";
+  };
+
+  checkInputs = [
+    dill
+    coverage
+    coveralls
+    mock
+    nose
+  ];
+
+  checkPhase = ''
+    nosetests -v --with-coverage --cover-package=expiringdict
+  '';
+
+  pythonImportsCheck = [ "expiringdict" ];
+
+  meta = with lib; {
+    description = "Dictionary with auto-expiring values for caching purposes";
+    homepage = "https://pypi.org/project/expiringdict/";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ gravndal ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index c5d0dec90a9..f9ad4bb415b 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2233,6 +2233,8 @@ in {
 
   exifread = callPackage ../development/python-modules/exifread { };
 
+  expiringdict = callPackage ../development/python-modules/expiringdict { };
+
   exrex = callPackage ../development/python-modules/exrex { };
 
   extras = callPackage ../development/python-modules/extras { };