diff --git a/pkgs/development/python-modules/dramatiq/default.nix b/pkgs/development/python-modules/dramatiq/default.nix
index 8b7300d786f5..84da4beadd79 100644
--- a/pkgs/development/python-modules/dramatiq/default.nix
+++ b/pkgs/development/python-modules/dramatiq/default.nix
@@ -15,7 +15,7 @@
 
 buildPythonPackage rec {
   pname = "dramatiq";
-  version = "1.14.2";
+  version = "1.15.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -23,8 +23,8 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "Bogdanp";
     repo = "dramatiq";
-    rev = "v${version}";
-    hash = "sha256-yv6HUJI7wsAQdBJ5QNv7qXhtzPvCsrF1389kyemAV7Y=";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-uhradhLIyfHf1meAr7ChuGnvm62mX/lkQQ2Pe7hBWtY=";
   };
 
   propagatedBuildInputs = [