diff --git a/quartz/plugins/emitters/contentIndex.tsx b/quartz/plugins/emitters/contentIndex.tsx
index 01d2e0034..49f89feb3 100644
--- a/quartz/plugins/emitters/contentIndex.tsx
+++ b/quartz/plugins/emitters/contentIndex.tsx
@@ -55,10 +55,10 @@ function generateRSSFeed(cfg: GlobalConfiguration, idx: ContentIndexMap, limit?:
   const base = cfg.baseUrl ?? ""
 
   const createURLEntry = (slug: SimpleSlug, content: ContentDetails): string => `<item>
-    <title>${escapeHTML(content.title)}</title>
+    <title><![CDATA[ ${escapeHTML(content.title)} ]]></title>
     <link>https://${joinSegments(base, encodeURI(slug))}</link>
     <guid>https://${joinSegments(base, encodeURI(slug))}</guid>
-    <description>${content.richContent ?? content.description}</description>
+    <description><![CDATA[ ${content.richContent ?? content.description} ]]></description>
     <pubDate>${content.date?.toUTCString()}</pubDate>
   </item>`
 
@@ -81,11 +81,11 @@ function generateRSSFeed(cfg: GlobalConfiguration, idx: ContentIndexMap, limit?:
   return `<?xml version="1.0" encoding="UTF-8" ?>
 <rss version="2.0">
     <channel>
-      <title>${escapeHTML(cfg.pageTitle)}</title>
+      <title><![CDATA[ ${escapeHTML(cfg.pageTitle)} ]]></title>
       <link>https://${base}</link>
-      <description>${!!limit ? i18n(cfg.locale).pages.rss.lastFewNotes({ count: limit }) : i18n(cfg.locale).pages.rss.recentNotes} on ${escapeHTML(
+      <description><![CDATA[ ${!!limit ? i18n(cfg.locale).pages.rss.lastFewNotes({ count: limit }) : i18n(cfg.locale).pages.rss.recentNotes} on ${escapeHTML(
         cfg.pageTitle,
-      )}</description>
+      )} ]]></description>
       <generator>Quartz -- quartz.jzhao.xyz</generator>
       ${items}
     </channel>