diff --git a/pkgs/tools/graphics/graphviz/default.nix b/pkgs/tools/graphics/graphviz/default.nix
index 5cb3c24bc150..4148e1ef6f98 100644
--- a/pkgs/tools/graphics/graphviz/default.nix
+++ b/pkgs/tools/graphics/graphviz/default.nix
@@ -32,13 +32,13 @@ let
 in
 stdenv.mkDerivation rec {
   pname = "graphviz";
-  version = "12.1.0";
+  version = "12.1.1";
 
   src = fetchFromGitLab {
     owner = "graphviz";
     repo = "graphviz";
     rev = version;
-    hash = "sha256-C+FFmWExEzPsDAmUiu/HmRVmb1Km4dJujagxN+v0uWw=";
+    hash = "sha256-r4V0iX+7169QG7nW2RjoUfrDh11zm6zdvtGt4E91kIE=";
   };
 
   nativeBuildInputs = [