diff --git a/pkgs/tools/misc/plantuml-server/default.nix b/pkgs/tools/misc/plantuml-server/default.nix
index eba31269ba5f..94916f227b3a 100644
--- a/pkgs/tools/misc/plantuml-server/default.nix
+++ b/pkgs/tools/misc/plantuml-server/default.nix
@@ -1,14 +1,14 @@
 { lib, stdenv, fetchurl }:
 
 let
-  version = "1.2023.6";
+  version = "1.2023.7";
 in
 stdenv.mkDerivation rec {
   pname = "plantuml-server";
   inherit version;
   src = fetchurl {
     url = "https://github.com/plantuml/plantuml-server/releases/download/v${version}/plantuml-v${version}.war";
-    sha256 = "sha256-ECzmT6VMjuoJT91iEYOS2ov0bsmNuwIKTwBgsLqwgDI=";
+    sha256 = "sha256-JsMO2aef9DTo94uQNJN4jdiT5vnBTE8XDc4TtTTixVk=";
   };
 
   dontUnpack = true;