diff --git a/pkgs/development/python-modules/django/1_11.nix b/pkgs/development/python-modules/django/1_11.nix
index e4e4d129a8d0..e2db6bbfc6d4 100644
--- a/pkgs/development/python-modules/django/1_11.nix
+++ b/pkgs/development/python-modules/django/1_11.nix
@@ -5,11 +5,11 @@
 
 buildPythonPackage rec {
   pname = "Django";
-  version = "1.11.20";
+  version = "1.11.21";
 
   src = fetchurl {
     url = "https://www.djangoproject.com/m/releases/1.11/${pname}-${version}.tar.gz";
-    sha256 = "0h90kdq8r4y8wa73hdxmyy5psnwlg61dcq3qsa098cpfiyh9vaa3";
+    sha256 = "0adhcw8sx2mgwk9y2j760y96pqbip1ni3sf2v2ls5zxc9x93wwms";
   };
 
   patches = stdenv.lib.optionals withGdal [