diff --git a/packages/graphql-tag-pluck/src/config.ts b/packages/graphql-tag-pluck/src/config.ts
index 044270fa578..f2ecf0cb6d1 100644
--- a/packages/graphql-tag-pluck/src/config.ts
+++ b/packages/graphql-tag-pluck/src/config.ts
@@ -84,7 +84,10 @@ export default function generateConfig(
       plugins.push('typescript');
       break;
     case '.gjs':
-      plugins.push('typescript', 'jsx');
+      // .gjs files need to be parsed as TypeScript because Ember relies on decorators, which are handled by TypeScript.
+      // without this, it throws a SyntaxError: Unexpected token, expected "{"
+      // when native decorators are supported, we should remove this
+      plugins.push('typescript');
       break;
     default:
       plugins.push('jsx', ...dynamicFlowPlugins);
diff --git a/packages/graphql-tag-pluck/src/index.ts b/packages/graphql-tag-pluck/src/index.ts
index 246dfdb011f..430f9c56f47 100644
--- a/packages/graphql-tag-pluck/src/index.ts
+++ b/packages/graphql-tag-pluck/src/index.ts
@@ -374,16 +374,16 @@ const MissingAstroCompilerError = new Error(
 
 const MissingGlimmerCompilerError = new Error(
   freeText(`
-        GraphQL template literals cannot be plucked from a Glimmer template code without having the "@glimmer/syntax" package installed.
+        GraphQL template literals cannot be plucked from a Glimmer template code without having the "content-tag" package installed.
         Please install it and try again.
 
         Via NPM:
 
-            $ npm install @glimmer/syntax
+            $ npm install content-tag
 
         Via Yarn:
 
-            $ yarn add @glimmer/syntax
+            $ yarn add content-tag
       `),
 );