diff --git a/pkgs/by-name/un/unordered_dense/package.nix b/pkgs/by-name/un/unordered_dense/package.nix
index 4affe2192b69..df0593b70f83 100644
--- a/pkgs/by-name/un/unordered_dense/package.nix
+++ b/pkgs/by-name/un/unordered_dense/package.nix
@@ -7,13 +7,13 @@
 }:
 stdenv.mkDerivation (finalAttrs: {
   pname = "unordered-dense";
-  version = "4.5.0";
+  version = "4.6.0";
 
   src = fetchFromGitHub {
     owner = "martinus";
     repo = "unordered_dense";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-TfbW+Pu8jKS+2oKldA6sE4Xzt0R+VBPitGv89OWxUjs=";
+    hash = "sha256-PgrbNHodhFruGP6n6MZ3FtFTyyNRCIEytChFUbbiZOU=";
   };
 
   nativeBuildInputs = [