diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 62472702a180..2f5e1429db25 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -6334,6 +6334,18 @@ let
     };
   };
 
+  ntplib = buildPythonPackage rec {
+    name = "ntplib-0.3.2";
+    src = pkgs.fetchurl {
+      url = https://pypi.python.org/packages/source/n/ntplib/ntplib-0.3.2.tar.gz;
+      md5 = "0f386dc00c0056ac4d77af0b4c21bb8e";
+    };
+
+    meta = {
+      description = "Python NTP library";
+    };
+  };
+
   numexpr = buildPythonPackage rec {
     version = "2.4";
     name = "numexpr-${version}";