diff --git a/src/lib/languages.ts b/src/lib/languages.ts
index 777f588..0b9c450 100644
--- a/src/lib/languages.ts
+++ b/src/lib/languages.ts
@@ -6,6 +6,8 @@ export const DEFAULT_LANGUAGES = [
   'edge',
   'ejs',
   'erb',
+  'gohtml',
+  'GoHTML',
   'haml',
   'handlebars',
   'hbs',
diff --git a/src/lsp/util/html.ts b/src/lsp/util/html.ts
index 8808141..7f24b2e 100644
--- a/src/lsp/util/html.ts
+++ b/src/lsp/util/html.ts
@@ -8,6 +8,8 @@ export const HTML_LANGUAGES = [
   'edge',
   'ejs',
   'erb',
+  'gohtml',
+  'GoHTML',
   'haml',
   'handlebars',
   'hbs',