diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 6a9874320a0..1db6b44a830 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -13858,11 +13858,11 @@ in {
 
 
   lxml = buildPythonPackage ( rec {
-    name = "lxml-3.4.4";
+    name = "lxml-3.7.0";
 
     src = pkgs.fetchurl {
       url = "mirror://pypi/l/lxml/${name}.tar.gz";
-      sha256 = "16a0fa97hym9ysdk3rmqz32xdjqmy4w34ld3rm3jf5viqjx65lxk";
+      sha256 = "9c62eb2a1862e1ae285d7e7e3b7dc8772d387b19258086afcec143c6b7b8a5c9";
     };
 
     buildInputs = with self; [ pkgs.libxml2 pkgs.libxslt ];