diff --git a/pkgs/development/python-modules/amaranth/default.nix b/pkgs/development/python-modules/amaranth/default.nix
index 0bf6d2515ef2..2490deb1dbba 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 = "0.5.0";
+  version = "0.5.1";
   disabled = pythonOlder "3.8";
 
   src = fetchFromGitHub {
     owner = "amaranth-lang";
     repo = "amaranth";
     rev = "refs/tags/v${version}";
-    hash = "sha256-+EV2NgYSuCbYTQKeBUN+/D0attfrJ3cso7U6RjLEIbg=";
+    hash = "sha256-76wuxWz6RikFFJH+5kte57GcVhusJKtcMo5M/2U+Cl8=";
   };
 
   nativeBuildInputs = [