diff --git a/pkgs/development/python-modules/yarl/default.nix b/pkgs/development/python-modules/yarl/default.nix
index 1953b1610ce..d69a24c7d28 100644
--- a/pkgs/development/python-modules/yarl/default.nix
+++ b/pkgs/development/python-modules/yarl/default.nix
@@ -9,11 +9,11 @@
 
 buildPythonPackage rec {
   pname = "yarl";
-  version = "1.1.1";
+  version = "1.2.5";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "a69dd7e262cdb265ac7d5e929d55f2f3d07baaadd158c8f19caebf8dde08dfe8";
+    sha256 = "dd5da4150a882f5cd26aeec7939f38e4b08b790717b9d696409dba9e18ff3ab6";
   };
 
   checkInputs = [ pytest pytestrunner ];