diff --git a/pkgs/development/python-modules/amaranth/default.nix b/pkgs/development/python-modules/amaranth/default.nix
index ebb79d5e9ba9..c4effc294787 100644
--- a/pkgs/development/python-modules/amaranth/default.nix
+++ b/pkgs/development/python-modules/amaranth/default.nix
@@ -21,14 +21,14 @@
 buildPythonPackage rec {
   pname = "amaranth";
   format = "pyproject";
-  version = "0.5.3";
+  version = "0.5.4";
   disabled = pythonOlder "3.8";
 
   src = fetchFromGitHub {
     owner = "amaranth-lang";
     repo = "amaranth";
-    rev = "refs/tags/v${version}";
-    hash = "sha256-lPQw7fAVM7URdyC/9c/UIYsRxVXrLjvHODvhYBdlkkg=";
+    tag = "v${version}";
+    hash = "sha256-e4htbNq6OCy8ZTS1UnucbU987reukP4J1CbWhT39K6E=";
   };
 
   postPatch = ''