diff --git a/pkgs/development/python-modules/readthedocs-sphinx-ext/default.nix b/pkgs/development/python-modules/readthedocs-sphinx-ext/default.nix
index b71a675f6d8e..e0ba8cd57cf4 100644
--- a/pkgs/development/python-modules/readthedocs-sphinx-ext/default.nix
+++ b/pkgs/development/python-modules/readthedocs-sphinx-ext/default.nix
@@ -9,11 +9,11 @@
 
 buildPythonPackage rec {
   pname = "readthedocs-sphinx-ext";
-  version = "2.1.5";
+  version = "2.1.8";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-G/QuIOW3qUOJGnmM5cy5H9W6wiMLDBmdhTgMkhAHa3g=";
+    sha256 = "sha256-pX43E9r3e/kdG6GeS5iIpHwKv+tj7PAuOsd/z9mb/mk=";
   };
 
   propagatedBuildInputs = [ requests ];