diff --git a/pkgs/applications/blockchains/polkadot/default.nix b/pkgs/applications/blockchains/polkadot/default.nix
index 9a5a1faac5ac..4436264ba261 100644
--- a/pkgs/applications/blockchains/polkadot/default.nix
+++ b/pkgs/applications/blockchains/polkadot/default.nix
@@ -7,16 +7,16 @@
 }:
 rustPlatform.buildRustPackage rec {
   pname = "polkadot";
-  version = "0.8.28-1";
+  version = "0.8.29";
 
   src = fetchFromGitHub {
     owner = "paritytech";
     repo = "polkadot";
     rev = "v${version}";
-    sha256 = "sha256-a+w/909PZuHsgIQEtO2IWQijsERfAKJUZ8K30+PhD3k=";
+    sha256 = "sha256-O5GIbX7qp+Te5QQuqytC9rsQJ5FuXtUl5h2DZXsfMPk=";
   };
 
-  cargoSha256 = "sha256-Zz844XDx5qj2hQlf99uvHV6e5wmDAlYh3zBvcpdoiIo=";
+  cargoSha256 = "sha256-4VmRIrd79odnYrHuBLdFwere+7bvtUI3daVs3ZUKsdY=";
 
   nativeBuildInputs = [ clang ];
 
@@ -35,8 +35,8 @@ rustPlatform.buildRustPackage rec {
   meta = with lib; {
     description = "Polkadot Node Implementation";
     homepage = "https://polkadot.network";
-    license = licenses.gpl3;
-    maintainers = with maintainers; [ akru andresilva RaghavSood ];
+    license = licenses.gpl3Only;
+    maintainers = with maintainers; [ akru andresilva asymmetric RaghavSood ];
     platforms = platforms.linux;
   };
 }