diff --git a/components/content.tsx b/components/content.tsx
index d05940b4..731cd9a9 100644
--- a/components/content.tsx
+++ b/components/content.tsx
@@ -1,4 +1,4 @@
-import Menu from "../components/menu";
+import Menu from "./menu";
 import { DiscordIcon, GitHubIcon } from "./icons";
 import React, { useEffect, useMemo, useRef, useState } from "react";
 import Link from "next/link";
diff --git a/components/menu.jsx b/components/menu.tsx
similarity index 97%
rename from components/menu.jsx
rename to components/menu.tsx
index bc53d8f0..07f6cb32 100644
--- a/components/menu.jsx
+++ b/components/menu.tsx
@@ -1,6 +1,5 @@
 import { Fragment, useCallback, useState } from "react";
 import classnames from "classnames";
-import Link from "next/link";
 
 const monthNames = [
   "January",
@@ -130,7 +129,8 @@ function Level2({ href, menu }) {
   return <ul>{items}</ul>;
 }
 
-function pagesFor(menu) {
+// TODO: Type the menu hierarchy
+function pagesFor(menu: Record<PropertyKey, any>) {
   return Object.entries(menu).map(([, entry]) => {
     if (entry.page) {
       return {
diff --git a/lib/api.js b/lib/api.ts
similarity index 86%
rename from lib/api.js
rename to lib/api.ts
index a760b7e6..bacf3793 100644
--- a/lib/api.js
+++ b/lib/api.ts
@@ -2,14 +2,15 @@ import fs from "fs";
 import glob from "glob";
 import path from "path";
 import matter from "gray-matter";
-import util from "util";
 
-import { toHTML } from "./markdown.js";
+import { toHTML } from "./markdown";
 
 const contentDir = path.join(process.cwd(), "content").replace(/\\/g, "/");
 
 // Merge app level props in with page props
-export function withAppProps(props = { props: {} }) {
+export function withAppProps(
+  props: { props: Record<PropertyKey, unknown> } = { props: {} }
+) {
   const blog = getLastBlog();
   delete blog.body;
   props.props.app = {
@@ -64,7 +65,6 @@ export async function getProps(menu, slug) {
   const page = loadPage(`${slug}`);
   page.body = await toHTML(page.body);
 
-  const sectionTitle = menu[root].title;
   const normalized = [
     {
       key: root,
@@ -86,31 +86,39 @@ export async function getProps(menu, slug) {
 function setPrevNext(page, menu) {
   let didMatch = false;
 
-  eachPage(menu, (p, prev) => {
-    if (p.href == page.href) {
-      didMatch = true;
-
-      if (prev && prev.title) {
-        page.prev = {
-          title: prev.menuTitle || prev.title,
-          href: prev.href,
+  eachPage(
+    menu,
+    (p, prev) => {
+      if (p.href == page.href) {
+        didMatch = true;
+
+        if (prev && prev.title) {
+          page.prev = {
+            title: prev.menuTitle || prev.title,
+            href: prev.href,
+          };
+        }
+      } else if (didMatch) {
+        page.next = {
+          title: p.menuTitle || p.title,
+          href: p.href,
         };
-      }
-    } else if (didMatch) {
-      page.next = {
-        title: p.menuTitle || p.title,
-        href: p.href,
-      };
 
-      didMatch = false;
-    }
-  });
+        didMatch = false;
+      }
+    },
+    undefined,
+    undefined
+  );
 
   return page;
 }
 
 // Build a list of paths from the sitemap
-function collectPaths(level, prefix = "") {
+function collectPaths(
+  level: Record<string, { nested?: string[]; href?: string }>,
+  prefix = ""
+) {
   let out = [];
 
   for (const [k, v] of Object.entries(level)) {
diff --git a/lib/blog.js b/lib/blog.ts
similarity index 90%
rename from lib/blog.js
rename to lib/blog.ts
index 37e9c0c1..a15c09c6 100644
--- a/lib/blog.js
+++ b/lib/blog.ts
@@ -9,10 +9,10 @@ function cachedPaths() {
   return paths;
 }
 
-export function getBlogPostsByYear({ limit } = {}) {
+export function getBlogPostsByYear(limit?: number) {
   let count = 0;
   return cachedPaths().reduce((years, post) => {
-    if (limit != null && count >= limit) {
+    if (limit !== undefined && count >= limit) {
       return years;
     }
     const date = new Date(post.date);
diff --git a/lib/markdown.js b/lib/markdown.ts
similarity index 93%
rename from lib/markdown.js
rename to lib/markdown.ts
index 5f3d4930..6a6b1d1c 100644
--- a/lib/markdown.js
+++ b/lib/markdown.ts
@@ -1,4 +1,3 @@
-import { stream } from "unified-stream";
 import { unified } from "unified";
 import remarkParse from "remark-parse";
 import remarkRehype from "remark-rehype";
@@ -80,11 +79,13 @@ export const toHTML = async (raw) => {
     await unified()
       .use(remarkParse)
       .use(remarkCodeRemoveSomeLines)
+      // @ts-expect-error: unified's plugin type mistakenly selects the wrong union overload
       .use(remarkRehype, { allowDangerousHtml: true })
       .use(rehypeHighlight, rehypeHighlightOptions)
       .use(rehypeRaw)
       .use(rehypeSlug)
       .use(rehyperBlockquotePlus, rehyperBlockquotePlusOptions)
+      // @ts-expect-error: unified's plugin type mistakenly selects the Array<void> union variant
       .use(rehypeStringify)
       .process(raw)
   );
diff --git a/lib/page.js b/lib/page.tsx
similarity index 100%
rename from lib/page.js
rename to lib/page.tsx
diff --git a/package-lock.json b/package-lock.json
index 7a1c4e98..1fdb6155 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -579,9 +579,9 @@
       "integrity": "sha512-OO0pH2lK6a0hZnAdau5ItzHPI6pUlvI7jMVnxUQRtw4owF2wk8lOSabtGDCTP4Ggrg2MbGnWO9X8K1t4+fGMDw=="
     },
     "node_modules/fsevents": {
-      "version": "2.3.2",
-      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.2.tgz",
-      "integrity": "sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==",
+      "version": "2.3.3",
+      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.3.tgz",
+      "integrity": "sha512-5xoDfX+fL7faATnagmWPpbFtwh/R77WmMMqqHGS65C3vvB0YHrgF+B1YmZ3441tMj5n63k0212XNoJwzlhffQw==",
       "hasInstallScript": true,
       "optional": true,
       "os": [
@@ -2578,9 +2578,9 @@
       "integrity": "sha512-OO0pH2lK6a0hZnAdau5ItzHPI6pUlvI7jMVnxUQRtw4owF2wk8lOSabtGDCTP4Ggrg2MbGnWO9X8K1t4+fGMDw=="
     },
     "fsevents": {
-      "version": "2.3.2",
-      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.2.tgz",
-      "integrity": "sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==",
+      "version": "2.3.3",
+      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.3.tgz",
+      "integrity": "sha512-5xoDfX+fL7faATnagmWPpbFtwh/R77WmMMqqHGS65C3vvB0YHrgF+B1YmZ3441tMj5n63k0212XNoJwzlhffQw==",
       "optional": true
     },
     "glob": {
diff --git a/package.json b/package.json
index 0461c6e8..605d434f 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "scripts": {
     "dev": "next dev",
     "build": "next build && npm run build:rss && next export",
-    "build:rss": "node ./scripts/generate-rss-feed.js",
+    "build:rss": "tsc --outDir dist --noEmit false && sed -i 's/markdown\"/markdown.js\"/g' dist/lib/api.js && node scripts/generate-rss-feed.js",
     "start": "next start",
     "fmt": "prettier --write --prose-wrap always '{components,content,pages,lib,styles}/**/*.{js,jsx,ts,tsx,scss}'",
     "fmt:check": "prettier --check --prose-wrap always '{components,content,pages,lib,styles}/**/*.{js,jsx,ts,tsx,scss}'"
diff --git a/pages/[...slug].jsx b/pages/[...slug].tsx
similarity index 100%
rename from pages/[...slug].jsx
rename to pages/[...slug].tsx
diff --git a/pages/blog.jsx b/pages/blog.tsx
similarity index 84%
rename from pages/blog.jsx
rename to pages/blog.tsx
index e71fd6d4..f8cde65b 100644
--- a/pages/blog.jsx
+++ b/pages/blog.tsx
@@ -3,7 +3,13 @@ import Layout from "../components/layout";
 import * as blog from "../lib/blog";
 import * as api from "../lib/api";
 
-export default function Blog({ app, postsByYear }) {
+type Props = {
+  app: any;
+  // TODO: Properly type the posts
+  postsByYear: Record<number, any>;
+};
+
+export default function Blog({ app, postsByYear }: Props) {
   return (
     <Layout title={"Blog Posts"} blog={app.blog}>
       <div className="is-marginless tk-docs">
@@ -13,7 +19,7 @@ export default function Blog({ app, postsByYear }) {
               <h1 className="title">Blog Posts</h1>
               {Object.entries(postsByYear)
                 .reverse()
-                .map(([year, { key, title, nested }]) => (
+                .map(([year, { title, nested }]) => (
                   <YearPosts year={year} posts={nested} key={title} />
                 ))}
             </section>
diff --git a/pages/blog/[...slug].jsx b/pages/blog/[...slug].tsx
similarity index 87%
rename from pages/blog/[...slug].jsx
rename to pages/blog/[...slug].tsx
index 0af22e39..c3c91592 100644
--- a/pages/blog/[...slug].jsx
+++ b/pages/blog/[...slug].tsx
@@ -22,11 +22,10 @@ export async function getStaticPaths() {
 
 export async function getStaticProps({ params: { slug: slugParam } }) {
   let slug = slugParam[0];
-  let postsByYear = blog.getBlogPostsByYear({
-    limit: SIDEBAR_POST_COUNT,
-  });
+  let postsByYear = blog.getBlogPostsByYear(SIDEBAR_POST_COUNT);
 
-  const page = content.loadPage(`blog/${slug}`);
+  // TODO: Properly type the page content
+  const page: any = content.loadPage(`blog/${slug}`);
   page.body = await toHTML(page.body);
 
   let next = blog.getNextPost(slug);
diff --git a/scripts/generate-rss-feed.js b/scripts/generate-rss-feed.js
index cf83ff10..78d7cdaa 100644
--- a/scripts/generate-rss-feed.js
+++ b/scripts/generate-rss-feed.js
@@ -1,5 +1,5 @@
 import RSS from "rss";
-import { getDateOrderedPaths } from "../lib/api.js";
+import { getDateOrderedPaths } from "../dist/lib/api.js";
 import fs from "fs";
 
 const siteUrl = "https://tokio.rs";