diff --git a/pkgs/applications/editors/vscode/extensions/jebbs.plantuml/default.nix b/pkgs/applications/editors/vscode/extensions/jebbs.plantuml/default.nix
index 8abf052323b2..bfdcf04fae9a 100644
--- a/pkgs/applications/editors/vscode/extensions/jebbs.plantuml/default.nix
+++ b/pkgs/applications/editors/vscode/extensions/jebbs.plantuml/default.nix
@@ -10,8 +10,8 @@ vscode-utils.buildVscodeMarketplaceExtension {
   mktplcRef = {
     name = "plantuml";
     publisher = "jebbs";
-    version = "2.17.4";
-    hash = "sha256-fnz6ubB73i7rJcv+paYyNV1r4cReuyFPjgPM0HO40ug=";
+    version = "2.18.1";
+    hash = "sha256-o4FN/vUEK53ZLz5vAniUcnKDjWaKKH0oPZMbXVarDng=";
   };
   nativeBuildInputs = [
     jq