diff --git a/pkgs/by-name/ng/ngt/package.nix b/pkgs/by-name/ng/ngt/package.nix
index bd4bb134f750..f892bfde284b 100644
--- a/pkgs/by-name/ng/ngt/package.nix
+++ b/pkgs/by-name/ng/ngt/package.nix
@@ -10,13 +10,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "NGT";
-  version = "2.5.0";
+  version = "2.5.1";
 
   src = fetchFromGitHub {
     owner = "yahoojapan";
     repo = "NGT";
     rev = "v${finalAttrs.version}";
-    sha256 = "sha256-2cCuVeg7y3butTIAQaYIgx+DPqIFEA2qqVe3exAoAY8=";
+    sha256 = "sha256-T+ZFmvak1ZfY7I/9QKpC7qqXLq/tBdy+KUjx/0twceg=";
   };
 
   nativeBuildInputs = [ cmake ];