diff --git a/pkgs/development/python-modules/ipykernel/default.nix b/pkgs/development/python-modules/ipykernel/default.nix
new file mode 100644
index 000000000000..a77f6ac9c2f1
--- /dev/null
+++ b/pkgs/development/python-modules/ipykernel/default.nix
@@ -0,0 +1,43 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, nose
+, isPy27
+, mock
+, ipython
+, jupyter_client
+, pexpect
+, traitlets
+, tornado
+}:
+
+buildPythonPackage rec {
+  pname = "ipykernel";
+  version = "4.6.1";
+  name = "${pname}-${version}";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "2e1825aca4e2585b5adb7953ea16e53f53a62159ed49952a564b1e23507205db";
+  };
+
+  buildInputs = [ nose ] ++ lib.optional isPy27 mock;
+  propagatedBuildInputs = [
+    ipython
+    jupyter_client
+    pexpect
+    traitlets
+    tornado
+  ];
+
+  # Tests require backends.
+  # I don't want to add all supported backends as propagatedBuildInputs
+  doCheck = false;
+
+  meta = {
+    description = "IPython Kernel for Jupyter";
+    homepage = http://ipython.org/;
+    license = lib.licenses.bsd3;
+    maintainers = with lib.maintainers; [ fridh ];
+  };
+}
\ No newline at end of file
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 7274913a817d..d208c1e2a2bd 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -13080,35 +13080,7 @@ in {
     };
   };
 
-  ipykernel = buildPythonPackage rec {
-    version = "4.5.2";
-    name = "ipykernel-${version}";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/i/ipykernel/${name}.tar.gz";
-      sha256 = "5a54f25f0e6c8ee74c362c23f9a95e10e74c6b7f5ef42059c861ff6f26d89462";
-    };
-
-    buildInputs = with self; [ nose ] ++ optionals isPy27 [mock];
-    propagatedBuildInputs = with self; [
-      ipython
-      jupyter_client
-      pexpect
-      traitlets
-      tornado
-    ];
-
-    # Tests require backends.
-    # I don't want to add all supported backends as propagatedBuildInputs
-    doCheck = false;
-
-    meta = {
-      description = "IPython Kernel for Jupyter";
-      homepage = http://ipython.org/;
-      license = licenses.bsd3;
-      maintainers = with maintainers; [ fridh ];
-    };
-  };
+  ipykernel = callPackage ../development/python-modules/ipykernel { };
 
   ipyparallel = callPackage ../development/python-modules/ipyparallel { };