diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 32529f30dba..6765bd29004 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -20574,11 +20574,11 @@ in modules // {
   };
 
   sphinx_rtd_theme = buildPythonPackage (rec {
-    name = "sphinx_rtd_theme-0.1.8";
+    name = "sphinx_rtd_theme-0.1.9";
 
     src = pkgs.fetchurl {
       url = "http://pypi.python.org/packages/source/s/sphinx_rtd_theme/${name}.tar.gz";
-      sha256 = "12mnb7qscr07mllmyyqfpx37778sr21m8663b4fivnk17bnk7xkl";
+      sha256 = "18d0r63w7jpdrk4q5qy26n08vdlmnj9sar93akwjphyambw4cf17";
     };
 
     postPatch = ''