diff --git a/pkgs/development/python-modules/curio/default.nix b/pkgs/development/python-modules/curio/default.nix
index e6f636dc8209..b4549e50e766 100644
--- a/pkgs/development/python-modules/curio/default.nix
+++ b/pkgs/development/python-modules/curio/default.nix
@@ -53,7 +53,7 @@ buildPythonPackage rec {
   meta = {
     description = "Library for performing concurrent I/O with coroutines in Python";
     homepage = "https://github.com/dabeaz/curio";
-    changelog = "https://github.com/dabeaz/curio/raw/${version}/CHANGES";
+    changelog = "https://github.com/dabeaz/curio/raw/${src.rev}/CHANGES";
     license = lib.licenses.bsd3;
     maintainers = [ lib.maintainers.pbsds ];
   };