diff --git a/extensions/markdown-language-features/package.json b/extensions/markdown-language-features/package.json
index c56d7db04bb..0cb0b18ccad 100644
--- a/extensions/markdown-language-features/package.json
+++ b/extensions/markdown-language-features/package.json
@@ -29,6 +29,13 @@
     "onWebviewPanel:markdown.preview",
     "onCustomEditor:vscode.markdown.preview.editor"
   ],
+  "workspaceTrust": {
+    "request": "onDemand",
+    "description": "%workspaceTrust%",
+    "requiredForConfigurations": [
+      "markdown.styles"
+    ]
+  },
   "contributes": {
     "notebookMarkdownRenderer": [
       {
diff --git a/extensions/markdown-language-features/package.nls.json b/extensions/markdown-language-features/package.nls.json
index bf88bb1f233..5bab556bb48 100644
--- a/extensions/markdown-language-features/package.nls.json
+++ b/extensions/markdown-language-features/package.nls.json
@@ -25,5 +25,6 @@
 	"configuration.markdown.preview.openMarkdownLinks.inPreview": "Try to open links in the Markdown preview.",
 	"configuration.markdown.links.openLocation.description": "Controls where links in Markdown files should be opened.",
 	"configuration.markdown.links.openLocation.currentGroup": "Open links in the active editor group.",
-	"configuration.markdown.links.openLocation.beside": "Open links beside the active editor."
+	"configuration.markdown.links.openLocation.beside": "Open links beside the active editor.",
+	"workspaceTrust": "Required for loading styles configured in the workspace."
 }