diff --git a/pkgs/tools/graphics/graphviz/base.nix b/pkgs/tools/graphics/graphviz/base.nix
index 1a387042b2d5..f225f2196cc8 100644
--- a/pkgs/tools/graphics/graphviz/base.nix
+++ b/pkgs/tools/graphics/graphviz/base.nix
@@ -2,7 +2,7 @@
 
 { lib, stdenv, fetchFromGitLab, autoreconfHook, pkg-config, cairo, expat, flex
 , fontconfig, gd, gettext, gts, libdevil, libjpeg, libpng, libtool, pango
-, bison, fetchpatch, xorg ? null, ApplicationServices }:
+, bison, fetchpatch, xorg, ApplicationServices, python3 }:
 
 let
   inherit (lib) optional optionals optionalString;
@@ -41,7 +41,7 @@ stdenv.mkDerivation {
     inherit sha256 rev;
   };
 
-  nativeBuildInputs = [ autoreconfHook pkg-config ];
+  nativeBuildInputs = [ autoreconfHook pkg-config python3 ];
 
   buildInputs = [
     libpng libjpeg expat bison libtool fontconfig gd gts libdevil flex pango
diff --git a/pkgs/tools/graphics/graphviz/default.nix b/pkgs/tools/graphics/graphviz/default.nix
index c79fe3aaf4d5..0662205d17e9 100644
--- a/pkgs/tools/graphics/graphviz/default.nix
+++ b/pkgs/tools/graphics/graphviz/default.nix
@@ -1,5 +1,5 @@
 import ./base.nix rec {
-  rev = "da4c2ec6f24ca1b6d1752c6b5bc4389e55682147"; # use rev as tags have disappeared before
-  version = "2.42.2";
-  sha256 = "0lacl11amyvj04j78m63qifljl4c0nkyy50z4bkg8mg9j4hjdy0x";
+  rev = "a11eb938514725493324d18db1686f9a99c8569f"; # use rev as tags have disappeared before
+  version = "2.47.2";
+  sha256 = "sha256-6JFjM/2xl7KVmGhSr6RWgO23UwLDyAif3ONsBG4t/Wc=";
  }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index bbe0ea117640..7529f84e8ab3 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7876,11 +7876,7 @@ in
 
   pk2cmd = callPackage ../tools/misc/pk2cmd { };
 
-  plantuml = callPackage ../tools/misc/plantuml {
-    # Graphviz 2.39 and 2.40 are discouraged by the PlantUML project, see
-    # http://plantuml.com/faq (heading: "Which version of Graphviz should I use ?")
-    graphviz = graphviz_2_32;
-  };
+  plantuml = callPackage ../tools/misc/plantuml { };
 
   plantuml-server = callPackage ../tools/misc/plantuml-server { };