diff --git a/pkgs/development/python-modules/dns/default.nix b/pkgs/development/python-modules/dns/default.nix
new file mode 100644
index 00000000000..0548c5a1098
--- /dev/null
+++ b/pkgs/development/python-modules/dns/default.nix
@@ -0,0 +1,23 @@
+{ buildPythonPackage, fetchPypi, lib }:
+
+buildPythonPackage rec {
+  pname = "dnspython";
+  version = "1.15.0";
+  name = "${pname}-${version}";
+
+  src = fetchPypi {
+    inherit pname version;
+    extension = "zip";
+    sha256 = "0z5d9vwf211v54bybrhm3qpxclys4dfdfsp7lk2hvf57yzhn7xa0";
+  };
+
+  # needs networking for some tests
+  doCheck = false;
+
+  meta = {
+    description = "A DNS toolkit for Python 3.x";
+    homepage = http://www.dnspython.org;
+    # BSD-like, check http://www.dnspython.org/LICENSE for details
+    license = lib.licenses.free;
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 276c2539926..c5d685bbd30 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5321,25 +5321,7 @@ in {
     };
   };
 
-  dns = buildPythonPackage rec {
-    name = "dnspython-${version}";
-    version = "1.14.0";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/d/dnspython/${name}.zip";
-      sha256 = "1p1i46fyhxfic8mfh3gfckpn2pn7282xqabhihiqymrp4sa8ni91";
-    };
-
-    # needs networking for some tests
-    doCheck = false;
-
-    meta = {
-      description = "A DNS toolkit for Python 3.x";
-      homepage = http://www.dnspython.org;
-      # BSD-like, check http://www.dnspython.org/LICENSE for details
-      license = licenses.free;
-    };
-  };
+  dns = callPackage ../development/python-modules/dns { };
 
   docker = callPackage ../development/python-modules/docker.nix {};