diff --git a/pkgs/by-name/ir/irrd/package.nix b/pkgs/by-name/ir/irrd/package.nix
index 1be5211f501a..c4f10299a479 100644
--- a/pkgs/by-name/ir/irrd/package.nix
+++ b/pkgs/by-name/ir/irrd/package.nix
@@ -3,7 +3,6 @@
   python3,
   fetchPypi,
   fetchFromGitHub,
-  fetchpatch,
   git,
   postgresql,
   postgresqlTestHook,
@@ -41,21 +40,16 @@ in
 
 py.pkgs.buildPythonPackage rec {
   pname = "irrd";
-  version = "4.5.0b2";
+  version = "4.5.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "irrdnet";
     repo = "irrd";
-    rev = "v${version}";
-    hash = "sha256-MMacxjF0LLSdInSwXwpHJUTdUQJ6sl4yu83vWR/A4Jc=";
+    tag = "v${version}";
+    hash = "sha256-6z94Ha2QQ0LE4o3hzsNl4y/nPv849cSP8on3UeegE4c=";
   };
 
-  postPatch = ''
-    substituteInPlace pyproject.toml \
-      --replace-fail py-radix py-radix-sr
-  '';
-
   pythonRelaxDeps = true;
 
   build-system = with python3.pkgs; [ poetry-core ];
@@ -153,7 +147,7 @@ py.pkgs.buildPythonPackage rec {
   ];
 
   meta = {
-    changelog = "https://irrd.readthedocs.io/en/v${version}/releases/";
+    changelog = "https://irrd.readthedocs.io/en/${src.tag}/releases/";
     description = "Internet Routing Registry database server, processing IRR objects in the RPSL format";
     license = lib.licenses.mit;
     homepage = "https://github.com/irrdnet/irrd";