diff --git a/pkgs/tools/text/ugrep/default.nix b/pkgs/tools/text/ugrep/default.nix
index f7c3663f790d..219b2806c849 100644
--- a/pkgs/tools/text/ugrep/default.nix
+++ b/pkgs/tools/text/ugrep/default.nix
@@ -15,13 +15,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "ugrep";
-  version = "6.4.0";
+  version = "6.4.1";
 
   src = fetchFromGitHub {
     owner = "Genivia";
     repo = "ugrep";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-oD55EEThyetByEaO2ZZxAadouZf/Z+p10lvnESep8gg=";
+    hash = "sha256-0T/fX+ZzxfJD3CmoYLWSe3LE6B4HWkCC2bqXNwzUVpk=";
   };
 
   buildInputs = [