diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 9bc461a0c704..3ae183a1ff92 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -22038,6 +22038,11 @@
     githubId = 91412114;
     keys = [ { fingerprint = "C1DA A551 B422 7A6F 3FD9  6B3A 467B 7D12 9EA7 3AC9"; } ];
   };
+  silvanshade = {
+    github = "silvanshade";
+    githubId = 11022302;
+    name = "silvanshade";
+  };
   Silver-Golden = {
     name = "Brendan Golden";
     email = "github+nixpkgs@brendan.ie";
diff --git a/pkgs/by-name/li/libblake3/package.nix b/pkgs/by-name/li/libblake3/package.nix
index b7965ddea4fa..68fa286d164a 100644
--- a/pkgs/by-name/li/libblake3/package.nix
+++ b/pkgs/by-name/li/libblake3/package.nix
@@ -3,26 +3,29 @@
   stdenv,
   cmake,
   fetchFromGitHub,
+  tbb_2022_0,
+  useTBB ? true,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "libblake3";
-  version = "1.6.1";
+  version = "1.7.0";
 
   src = fetchFromGitHub {
     owner = "BLAKE3-team";
     repo = "BLAKE3";
     tag = finalAttrs.version;
-    hash = "sha256-YJ3rRzpmF6oS8p377CEoRteARCD1lr/L7/fbN5poUXw=";
+    hash = "sha256-08D5hnU3I0VJ+RM/TNk2LxsEAvOLuO52+08zlKssXbc=";
   };
 
   sourceRoot = finalAttrs.src.name + "/c";
 
-  nativeBuildInputs = [
-    cmake
-  ];
+  nativeBuildInputs = [ cmake ];
+
+  buildInputs = lib.optionals useTBB [ tbb_2022_0 ];
 
   cmakeFlags = [
+    (lib.cmakeBool "BLAKE3_USE_TBB" useTBB)
     (lib.cmakeBool "BUILD_SHARED_LIBS" (!stdenv.hostPlatform.isStatic))
   ];
 
@@ -33,7 +36,10 @@ stdenv.mkDerivation (finalAttrs: {
       asl20
       cc0
     ];
-    maintainers = with lib.maintainers; [ fgaz ];
+    maintainers = with lib.maintainers; [
+      fgaz
+      silvanshade
+    ];
     platforms = lib.platforms.all;
   };
 })