diff --git a/pkgs/development/python-modules/gridnet/default.nix b/pkgs/development/python-modules/gridnet/default.nix
index 1288471c6b29..5c55b8c6c55f 100644
--- a/pkgs/development/python-modules/gridnet/default.nix
+++ b/pkgs/development/python-modules/gridnet/default.nix
@@ -12,7 +12,7 @@
 
 buildPythonPackage rec {
   pname = "gridnet";
-  version = "4.0.0";
+  version = "4.1.0";
 
   disabled = pythonOlder "3.9";
 
@@ -21,8 +21,8 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "klaasnicolaas";
     repo = "python-gridnet";
-    rev = "v${version}";
-    hash = "sha256-Ihs8qUx50tAUcRBsVArRhzoLcQUi1vbYh8sPyK75AEk=";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-/UBZVbDRZMYHDrgifpYSTygAQTBiqgZ0tRGncE3GeT4=";
   };
 
   postPatch = ''