diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 5e51f2641677..2195778492eb 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -14050,7 +14050,7 @@
     name = "Dmitry Kalinkin";
   };
   victormignot = {
-    email = "victor.mignot@protonmail.com";
+    email = "root@victormignot.fr";
     github = "victormignot";
     githubId = 58660971;
     name = "Victor Mignot";
diff --git a/pkgs/applications/editors/vscode/extensions/default.nix b/pkgs/applications/editors/vscode/extensions/default.nix
index fb23a791ab5c..a7936404015f 100644
--- a/pkgs/applications/editors/vscode/extensions/default.nix
+++ b/pkgs/applications/editors/vscode/extensions/default.nix
@@ -1453,6 +1453,8 @@ let
         };
       };
 
+      jebbs.plantuml = callPackage ./jebbs.plantuml {};
+
       jnoortheen.nix-ide = buildVscodeMarketplaceExtension {
         mktplcRef = {
           name = "nix-ide";
diff --git a/pkgs/applications/editors/vscode/extensions/jebbs.plantuml/default.nix b/pkgs/applications/editors/vscode/extensions/jebbs.plantuml/default.nix
new file mode 100644
index 000000000000..c54e975e4f46
--- /dev/null
+++ b/pkgs/applications/editors/vscode/extensions/jebbs.plantuml/default.nix
@@ -0,0 +1,27 @@
+{ lib, vscode-utils, plantuml, jq, moreutils }:
+
+vscode-utils.buildVscodeMarketplaceExtension {
+  mktplcRef = {
+    name = "plantuml";
+    publisher = "jebbs";
+    version = "2.17.4";
+    sha256 = "sha256-fnz6ubB73i7rJcv+paYyNV1r4cReuyFPjgPM0HO40ug=";
+  };
+  nativeBuildInputs = [ jq moreutils ];
+  postInstall = ''
+    cd "$out/$installPrefix"
+    jq '.contributes.configuration.properties."plantuml.java".default = "${plantuml}/bin/plantuml"' package.json | sponge package.json
+  '';
+
+  meta = with lib; {
+    description = "A Visual Studio Code extension for supporting Rich PlantUML";
+    downloadPage =
+      "https://marketplace.visualstudio.com/items?itemName=jebbs.plantuml";
+    homepage = "https://github.com/qjebbs/vscode-plantuml";
+    changelog =
+      "https://marketplace.visualstudio.com/items/jebbs.plantuml/changelog";
+    license = licenses.mit;
+    maintainers = with maintainers; [ victormignot ];
+  };
+}
+