diff --git a/pkgs/development/python-modules/rcssmin/default.nix b/pkgs/development/python-modules/rcssmin/default.nix
new file mode 100644
index 00000000000..9347cd55cf3
--- /dev/null
+++ b/pkgs/development/python-modules/rcssmin/default.nix
@@ -0,0 +1,21 @@
+{ stdenv, buildPythonPackage, fetchPypi }:
+buildPythonPackage rec {
+  pname = "rcssmin";
+  version = "1.0.6";
+  name = "${pname}-${version}";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0w42l4dhxghcz7pj3q7hkxp015mvb8z2cq9sfxbl31npsfavd1ya";
+  };
+
+  # The package does not ship tests, and the setup machinary confuses
+  # tests auto-discovery
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    homepage = http://opensource.perlig.de/rcssmin/;
+    license = licenses.asl20;
+    description = "CSS minifier written in pure python";
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index f74e4ccb383..15936af0300 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -21072,6 +21072,8 @@ in {
     };
   };
 
+  rcssmin = callPackage ../development/python-modules/rcssmin { };
+
   recommonmark = buildPythonPackage rec {
     name = "recommonmark-${version}";
     version = "0.4.0";