diff --git a/pkgs/by-name/xt/xtl/package.nix b/pkgs/by-name/xt/xtl/package.nix
index 488dc13d6547..ec5195a7bb7b 100644
--- a/pkgs/by-name/xt/xtl/package.nix
+++ b/pkgs/by-name/xt/xtl/package.nix
@@ -5,15 +5,15 @@
   cmake,
   doctest,
 }:
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "xtl";
-  version = "0.7.7";
+  version = "0.8.0";
 
   src = fetchFromGitHub {
     owner = "xtensor-stack";
     repo = "xtl";
-    rev = version;
-    hash = "sha256-f8qYh8ibC/ToHsUv3OF1ujzt3fUe7kW9cNpGyLqsgqw=";
+    tag = finalAttrs.version;
+    hash = "sha256-hhXM2fG3Yl4KeEJlOAcNPVLJjKy9vFlI63lhbmIAsT8=";
   };
 
   nativeBuildInputs = [ cmake ];
@@ -31,4 +31,4 @@ stdenv.mkDerivation rec {
     maintainers = with lib.maintainers; [ cpcloud ];
     platforms = lib.platforms.all;
   };
-}
+})