diff --git a/src/vs/workbench/parts/update/electron-browser/releaseNotesEditor.ts b/src/vs/workbench/parts/update/electron-browser/releaseNotesEditor.ts
index 2fad0c0952afd..d79b1134918df 100644
--- a/src/vs/workbench/parts/update/electron-browser/releaseNotesEditor.ts
+++ b/src/vs/workbench/parts/update/electron-browser/releaseNotesEditor.ts
@@ -26,7 +26,7 @@ function renderBody(body: string): string {
 		<html>
 			<head>
 				<meta http-equiv="Content-type" content="text/html;charset=UTF-8">
-				<meta http-equiv="Content-Security-Policy" content="default-src 'none'; img-src http: https: data:; media-src http: https: data:; script-src 'none'; style-src file: http: https:; child-src 'none'; frame-src 'none';">
+				<meta http-equiv="Content-Security-Policy" content="default-src 'none'; img-src http: https: data:; media-src http: https: data:; script-src 'none'; style-src file: http: https: 'unsafe-inline'; child-src 'none'; frame-src 'none';">
 				<link rel="stylesheet" type="text/css" href="${require.toUrl('./media/markdown.css')}">
 			</head>
 			<body>${body}</body>
