diff --git a/pkgs/development/python-modules/cheroot/default.nix b/pkgs/development/python-modules/cheroot/default.nix
index 6c99b7bbf66..c9d3094d595 100644
--- a/pkgs/development/python-modules/cheroot/default.nix
+++ b/pkgs/development/python-modules/cheroot/default.nix
@@ -1,4 +1,5 @@
 { lib, stdenv, fetchPypi, buildPythonPackage, isPy3k
+, jaraco_functools
 , jaraco_text
 , more-itertools
 , portend
@@ -23,12 +24,17 @@ buildPythonPackage rec {
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1089c28a9c320d19fdf9a4b0ed6ace23a0948db1c171a36ac985f3741bc62865";
+    sha256 = "0r98qqdp9ww5r5ma6wf1n66r9813rrmfvc54z7yij39jkj5c528h";
   };
 
   nativeBuildInputs = [ setuptools_scm setuptools-scm-git-archive ];
 
-  propagatedBuildInputs = [ more-itertools six ];
+  propagatedBuildInputs = [
+    # install_requires
+    jaraco_functools
+
+    more-itertools six
+  ];
 
   checkInputs = [
     jaraco_text