diff --git a/pkgs/development/python-modules/fastrlock/default.nix b/pkgs/development/python-modules/fastrlock/default.nix
index 547ab78b759e..27e505a24641 100644
--- a/pkgs/development/python-modules/fastrlock/default.nix
+++ b/pkgs/development/python-modules/fastrlock/default.nix
@@ -9,7 +9,7 @@
 
 buildPythonPackage rec {
   pname = "fastrlock";
-  version = "0.8.2";
+  version = "0.8.3";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -17,8 +17,8 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "scoder";
     repo = pname;
-    rev = "refs/tags/v${version}";
-    hash = "sha256-2h+rhP/EVMG3IkJVkE74p4GeBTwV3BS7fUkKpwedr2k=";
+    tag = "v${version}";
+    hash = "sha256-NB/AR6g1ZP5Atc0zwZNuXLsxg8BM67rWnx3Q6Pb0k5k=";
   };
 
   nativeBuildInputs = [ cython ];