diff --git a/app/server/http.ts b/app/server/http.ts
index 7de05f2..c1c15b0 100644
--- a/app/server/http.ts
+++ b/app/server/http.ts
@@ -75,6 +75,29 @@ export function httpHandler(app: GithubPreview) {
                 });
             }
 
+            if (requested === "/katex.css") {
+                const katexCss = Bun.resolveSync("katex/dist/katex.min.css", import.meta.dir);
+                const file = Bun.file(katexCss);
+                return new Response(file, {
+                    headers: { "content-type": "text/css" },
+                });
+            }
+
+            if (requested.startsWith("/fonts/KaTeX_")) {
+                const fontPath = Bun.resolveSync("katex/dist" + requested, import.meta.dir);
+                const file = Bun.file(fontPath);
+                const ext = requested.split(".").pop();
+                const contentType =
+                    ext === "woff2"
+                        ? "font/woff2"
+                        : ext === "woff"
+                          ? "font/woff"
+                          : "font/ttf";
+                return new Response(file, {
+                    headers: { "content-type": contentType },
+                });
+            }
+
             if (requested === "/mermaid.js") {
                 const mermaid = Bun.resolveSync("mermaid/dist/mermaid.min.js", import.meta.dir);
                 const file = Bun.file(mermaid);
diff --git a/app/web/index.html b/app/web/index.html
index 925ad6d..e018a21 100644
--- a/app/web/index.html
+++ b/app/web/index.html
@@ -7,6 +7,7 @@
         <link href="/__github_preview__/static/tailwind.css" rel="stylesheet" />
         <link href="/__github_preview__/static/index.css" rel="stylesheet" />
         <link href="/__github_preview__/pantsdown.css" rel="stylesheet" />
+        <link href="/__github_preview__/katex.css" rel="stylesheet" />
         <script src="/__github_preview__/mermaid.js" type="text/javascript"></script>
         <meta name="viewport" content="width=device-width, initial-scale=1.0" />
         <title>LIVE (github-preview)</title>
diff --git a/bun.lock b/bun.lock
index 1bc719c..e6d2107 100644
--- a/bun.lock
+++ b/bun.lock
@@ -1,5 +1,6 @@
 {
   "lockfileVersion": 1,
+  "configVersion": 0,
   "workspaces": {
     "": {
       "name": "github-preview.nvim",
@@ -10,7 +11,7 @@
         "isbinaryfile": "5.0.4",
         "mermaid": "^11.4.1",
         "opener": "^1.5.2",
-        "pantsdown": "2.1.6",
+        "pantsdown": "2.2.0",
         "react": "^19.0.0",
         "react-dom": "^19.0.0",
         "reconnecting-websocket": "^4.4.0",
@@ -1122,7 +1123,7 @@
 
     "package-manager-detector": ["package-manager-detector@1.3.0", "", {}, "sha512-ZsEbbZORsyHuO00lY1kV3/t72yp6Ysay6Pd17ZAlNGuGwmWDLCJxFpRs0IzfXfj1o4icJOkUEioexFHzyPurSQ=="],
 
-    "pantsdown": ["pantsdown@2.1.6", "", { "dependencies": { "github-slugger": "^2.0.0", "highlight.js": "^11.10.0" } }, "sha512-ayvf1rgurFp8Zl6jbhxNg1Jl5rnZ4PV3fnBt0YLJhL1CnIM6Oj+RMv9mQX4RKvJL42xJHj/kw26JMuMPmQAQCg=="],
+    "pantsdown": ["pantsdown@2.2.0", "", { "dependencies": { "github-slugger": "^2.0.0", "highlight.js": "^11.11.1", "katex": "^0.16.28" } }, "sha512-qe7doilipoJxGkZOzv8Y2vxgABNRs/S48rVYKwvPXpAg401moiSgznePeFSLgnAN6Pi/5Z5pg0XDEaBDOg6mMQ=="],
 
     "parent-module": ["parent-module@1.0.1", "", { "dependencies": { "callsites": "^3.0.0" } }, "sha512-GQ2EWRpQV8/o+Aw8YqtfZZPfNRWZYkbidE9k5rpl/hC3vtHHBfGm2Ifi6qWV+coDGkrUKZAxE3Lot5kcsRlh+g=="],
 
@@ -1942,6 +1943,8 @@
 
     "ora/chalk": ["chalk@4.1.2", "", { "dependencies": { "ansi-styles": "^4.1.0", "supports-color": "^7.1.0" } }, "sha512-oKnbhFyRIXpUuez8iBMmyEa4nbj4IOQyuhc/wy9kY7/WVPcwIO9VA668Pu8RkO7+0G76SLROeyw9CpQ061i4mA=="],
 
+    "pantsdown/katex": ["katex@0.16.28", "", { "dependencies": { "commander": "^8.3.0" }, "bin": { "katex": "cli.js" } }, "sha512-YHzO7721WbmAL6Ov1uzN/l5mY5WWWhJBSW+jq4tkfZfsxmo1hu6frS0EOswvjBUnWE6NtjEs48SFn5CQESRLZg=="],
+
     "parse5-htmlparser2-tree-adapter/parse5": ["parse5@6.0.1", "", {}, "sha512-Ofn/CTFzRGTTxwpNEs9PP93gXShHcTq255nzRYSKe8AkVpZY7e1fpmTfOyoIvjP5HG7Z2ZM7VS9PPhQGW2pOpw=="],
 
     "pkg-conf/find-up": ["find-up@2.1.0", "", { "dependencies": { "locate-path": "^2.0.0" } }, "sha512-NWzkk0jSJtTt08+FBFMvXoeZnOJD+jTtsRmBYbAIzJdX6l7dLgR7CTubCM5/eDdPUBvLCeVasP1brfVR/9/EZQ=="],
@@ -2088,6 +2091,8 @@
 
     "npm/wrap-ansi-cjs/ansi-styles": ["ansi-styles@4.3.0", "", { "dependencies": { "color-convert": "^2.0.1" } }, "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg=="],
 
+    "pantsdown/katex/commander": ["commander@8.3.0", "", {}, "sha512-OkTL9umf+He2DZkUq8f8J9of7yL6RJKI24dVITBmNfZBmri9zYZQrKkuXiKhyfPSu8tUhnVBB1iKXevvnlR4Ww=="],
+
     "pkg-conf/find-up/locate-path": ["locate-path@2.0.0", "", { "dependencies": { "p-locate": "^2.0.0", "path-exists": "^3.0.0" } }, "sha512-NCI2kiDkyR7VeEKm27Kda/iQHyKJe1Bu0FlTbYp3CqJu+9IFe9bLyAjMxf5ZDDbEg+iMPzB5zYyUTSm8wVTKmA=="],
 
     "restore-cursor/onetime/mimic-fn": ["mimic-fn@2.1.0", "", {}, "sha512-OqbOk5oEQeAZ8WXWydlu9HJjz9WVdEIvamMCcXmuqUYjTknH/sqsWvhQ3vgwKFRR1HpjvNBKQ37nbJgYzGqGcg=="],
diff --git a/package.json b/package.json
index 1548c11..dccb968 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "isbinaryfile": "5.0.4",
     "mermaid": "^11.4.1",
     "opener": "^1.5.2",
-    "pantsdown": "2.1.6",
+    "pantsdown": "2.2.0",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
     "reconnecting-websocket": "^4.4.0",