diff --git a/pkgs/applications/editors/vscode/extensions/default.nix b/pkgs/applications/editors/vscode/extensions/default.nix
index ed937581fba2..959fd9ffce62 100644
--- a/pkgs/applications/editors/vscode/extensions/default.nix
+++ b/pkgs/applications/editors/vscode/extensions/default.nix
@@ -1303,6 +1303,23 @@ let
         };
       };
 
+      ecmel.vscode-html-css = buildVscodeMarketplaceExtension {
+        mktplcRef = {
+          name = "vscode-html-css";
+          publisher = "ecmel";
+          version = "2.0.9";
+          sha256 = "7c30d57d2ff9986bd5daa2c9f51ec4bb04239ca23a51e971a63f7b93d005d297";
+        };
+        meta = {
+          changelog = "https://marketplace.visualstudio.com/items/ecmel.vscode-html-css/changelog";
+          description = "CSS Intellisense for HTML";
+          downloadPage = "https://marketplace.visualstudio.com/items?itemName=ecmel.vscode-html-css";
+          homepage = "https://github.com/ecmel/vscode-html-css";
+          license = lib.licenses.mit;
+          maintainers = [ lib.maintainers.DataHearth ];
+        };
+      };
+
       editorconfig.editorconfig = buildVscodeMarketplaceExtension {
         mktplcRef = {
           name = "EditorConfig";