diff --git a/nixos/modules/services/web-apps/plantuml-server.nix b/nixos/modules/services/web-apps/plantuml-server.nix
index 5ac3bc5226b2..f4bf43f56b98 100644
--- a/nixos/modules/services/web-apps/plantuml-server.nix
+++ b/nixos/modules/services/web-apps/plantuml-server.nix
@@ -58,8 +58,8 @@ in
 
       graphvizPackage = mkOption {
         type = types.package;
-        default = pkgs.graphviz_2_32;
-        defaultText = literalExpression "pkgs.graphviz_2_32";
+        default = pkgs.graphviz;
+        defaultText = literalExpression "pkgs.graphviz";
         description = "Package containing the dot executable.";
       };