diff --git a/pkgs/applications/editors/vscode/extensions/default.nix b/pkgs/applications/editors/vscode/extensions/default.nix
index 143e3df6020a..118d143dbf39 100644
--- a/pkgs/applications/editors/vscode/extensions/default.nix
+++ b/pkgs/applications/editors/vscode/extensions/default.nix
@@ -5001,8 +5001,8 @@ let
         mktplcRef = {
           name = "vstuc";
           publisher = "VisualStudioToolsForUnity";
-          version = "1.1.3";
-          hash = "sha256-MQ7XW45NFhpx0kH3+O3nWXGKUzE9z+axYYQs7rER9ns=";
+          version = "1.2.1";
+          hash = "sha256-WvEjR3cBXhCdd4FdIcTYEtifTdx0nNm3Ku0WpVrJ7hM=";
         };
         meta = {
           description = "Integrates Visual Studio Code for Unity";