diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index c87c900ab17b..6a81a9270ff5 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -23044,10 +23044,10 @@ in modules // {
   sphinx = buildPythonPackage (rec {
     name = "${pname}-${version}";
     pname = "Sphinx";
-    version = "1.3.6";
+    version = "1.4.6";
     src = pkgs.fetchurl {
       url = "mirror://pypi/S/${pname}/${name}.tar.gz";
-      sha256 = "12pzlfkjjlwgvsj56k0y809jpx5mgcs9548k1l4kdbr028ifjfqb";
+      sha256 = "1lvr39ab5sjp894jshk39xidlxw9vc735882cgcfr4dlm4546hwy";
     };
     LC_ALL = "en_US.UTF-8";
     buildInputs = with self; [ nose simplejson mock pkgs.glibcLocales ];