diff --git a/pkgs/development/python-modules/starlette/default.nix b/pkgs/development/python-modules/starlette/default.nix
index 78a428a2a724..6d96df91c4f5 100644
--- a/pkgs/development/python-modules/starlette/default.nix
+++ b/pkgs/development/python-modules/starlette/default.nix
@@ -2,6 +2,7 @@
 , stdenv
 , buildPythonPackage
 , fetchFromGitHub
+, fetchpatch
 , aiofiles
 , anyio
 , contextlib2
@@ -33,6 +34,14 @@ buildPythonPackage rec {
     hash = "sha256-vP2TJPn9lRGnLGkO8lUmnsoT6rSnhuWDD3WqNk76SM0=";
   };
 
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/encode/starlette/commit/ab70211f0e1fb7390668bf4891eeceda8d9723a0.diff";
+      excludes = [ "requirements.txt" ]; # conflicts
+      hash = "sha256-UHf4c4YUWp/1I1vD8J0hMewdlfkmluA+FyGf9ZsSv3Y=";
+    })
+  ];
+
   postPatch = ''
     # remove coverage arguments to pytest
     sed -i '/--cov/d' setup.cfg