diff --git a/README.md b/README.md
index 8c86accd..2237fe4e 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,7 @@ Source code of my personal and hobby website, [Leilukin's Hub](https://leilukin.
 - [markdown-it-anchor](https://www.npmjs.com/package/markdown-it-anchor)
 - [markdown-it-attrs](https://www.npmjs.com/package/markdown-it-attrs)
 - [markdown-it-bracketed-spans](https://www.npmjs.com/package/markdown-it-bracketed-spans)
+- [markdown-it-container](https://www.npmjs.com/package/markdown-it-container)
 - [markdown-it-deflist](https://github.com/markdown-it/markdown-it-deflist)
 - [Table of Contents (nesting) Eleventy Plugin](https://www.npmjs.com/package/eleventy-plugin-nesting-toc)
 
diff --git a/bun.lockb b/bun.lockb
index 9c3503af..a66eae4d 100644
Binary files a/bun.lockb and b/bun.lockb differ
diff --git a/eleventy.config.js b/eleventy.config.js
index 223bee6b..0d987983 100644
--- a/eleventy.config.js
+++ b/eleventy.config.js
@@ -82,6 +82,7 @@ module.exports = function (eleventyConfig) {
         .use(markdownItAnchor, markdownItAnchorOptions)
         .use(require("markdown-it-attrs"))
         .use(require("markdown-it-bracketed-spans"))
+        .use(require("markdown-it-container"))
         .use(require("markdown-it-deflist"));
 
     /* This is the part that tells 11ty to swap to our custom config */
diff --git a/package.json b/package.json
index 305bfcbd..ba19fc42 100644
--- a/package.json
+++ b/package.json
@@ -23,6 +23,7 @@
     "markdown-it-anchor": "^8.6.7",
     "markdown-it-attrs": "^4.1.6",
     "markdown-it-bracketed-spans": "^1.0.1",
+    "markdown-it-container": "^4.0.0",
     "markdown-it-deflist": "^3.0.0",
     "slugify": "^1.6.6"
   }