1 files changed, 9 insertions, 3 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/yarl/default.nix b/nixpkgs/pkgs/development/python-modules/yarl/default.nix
index bfb09f9c1c5..3ab7fb49c43 100644
--- a/nixpkgs/pkgs/development/python-modules/yarl/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/yarl/default.nix
@@ -1,23 +1,29 @@
 { stdenv
+, lib
 , fetchPypi
 , buildPythonPackage
+, pythonOlder
 , multidict
 , pytestrunner
 , pytest
+, typing-extensions
 , idna
 }:
 
 buildPythonPackage rec {
   pname = "yarl";
-  version = "1.4.2";
+  version = "1.5.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "58cd9c469eced558cd81aa3f484b2924e8897049e06889e8ff2510435b7ef74b";
+    sha256 = "c22c75b5f394f3d47105045ea551e08a3e804dc7e01b37800ca35b58f856c3d6";
   };
 
   checkInputs = [ pytest pytestrunner ];
-  propagatedBuildInputs = [ multidict idna ];
+  propagatedBuildInputs = [ multidict idna ]
+    ++ lib.optionals (pythonOlder "3.8") [
+      typing-extensions
+    ];
 
   meta = with stdenv.lib; {
     description = "Yet another URL library";