diff --git a/pkgs/by-name/ts/tslib/package.nix b/pkgs/by-name/ts/tslib/package.nix
index 4ab8ddda9b62..c2ee8aa03dde 100644
--- a/pkgs/by-name/ts/tslib/package.nix
+++ b/pkgs/by-name/ts/tslib/package.nix
@@ -8,13 +8,12 @@
 stdenv.mkDerivation (finalAttrs: {
   pname = "tslib";
   version = "1.23";
-  hash = "sha256-2YJDADh/WCksAEIjngAdji98YGmwjpvxSBZkxAwFc7k=";
 
   src = fetchFromGitHub {
     owner = "libts";
     repo = "tslib";
-    rev = finalAttrs.version;
-    sha256 = finalAttrs.hash;
+    tag = finalAttrs.version;
+    hash = "sha256-2YJDADh/WCksAEIjngAdji98YGmwjpvxSBZkxAwFc7k=";
   };
 
   nativeBuildInputs = [ cmake ];