diff --git a/bower.json b/bower.json
index dfa8b364..f3314a33 100644
--- a/bower.json
+++ b/bower.json
@@ -58,7 +58,8 @@
     "visibilityjs": "^1.2.3",
     "pdfobject": "pdfobject2#*",
     "gist-embed": "*",
-    "keymaster": "^1.6.3"
+    "keymaster": "^1.6.3",
+    "prism": "^1.5.1"
   },
   "resolutions": {
     "jquery": "~3.1.0"
diff --git a/public/js/extra.js b/public/js/extra.js
index 8fa99ce2..77f298f9 100644
--- a/public/js/extra.js
+++ b/public/js/extra.js
@@ -755,11 +755,17 @@ function highlightRender(code, lang) {
         return '<div class="mermaid raw">' + code + '</div>';
     }
     var reallang = lang.replace(/\=$|\=\d+$|\=\+$/, '');
-    var languages = hljs.listLanguages();
-    if (languages.indexOf(reallang) == -1) {
-        var result = hljs.highlightAuto(code);
+    if (reallang == "tiddlywiki" || reallang == "mediawiki") {
+        var result = {
+            value: Prism.highlight(code, Prism.languages.wiki)
+        };
     } else {
-        var result = hljs.highlight(reallang, code);
+        var languages = hljs.listLanguages();
+        if (languages.indexOf(reallang) == -1) {
+            var result = hljs.highlightAuto(code);
+        } else {
+            var result = hljs.highlight(reallang, code);
+        }
     }
 	var showlinenumbers = /\=$|\=\d+$|\=\+$/.test(lang);
     if (showlinenumbers) {
diff --git a/public/views/foot.ejs b/public/views/foot.ejs
index c1197605..9fa79d55 100644
--- a/public/views/foot.ejs
+++ b/public/views/foot.ejs
@@ -50,6 +50,8 @@
 <script src="<%- url %>/vendor/xss/dist/xss.min.js" defer></script>
 <script src="<%- url %>/vendor/string/dist/string.min.js" defer></script>
 <script src="<%- url %>/vendor/highlightjs/highlight.pack.min.js" defer></script>
+<script src="<%- url %>/vendor/prism/prism.js" defer></script>
+<script src="<%- url %>/vendor/prism/components/prism-wiki.min.js" defer></script>
 <script src="<%- url %>/vendor/js-cookie/src/js.cookie.js" defer></script>
 <script src="<%- url %>/vendor/handlebars/handlebars.min.js" defer></script>
 <script src="<%- url %>/vendor/emojify/js/emojify.min.js" defer></script>
diff --git a/public/views/head.ejs b/public/views/head.ejs
index 5fed27be..5d8e44b6 100644
--- a/public/views/head.ejs
+++ b/public/views/head.ejs
@@ -34,6 +34,7 @@
 <link rel="stylesheet" href="<%- url %>/vendor/codemirror/mode/mediawiki/mediawiki.css">
 <link rel="stylesheet" href="<%- url %>/css/github-extract.css">
 <link rel="stylesheet" href="<%- url %>/vendor/highlightjs/styles/github-gist.css">
+<link rel="stylesheet" href="<%- url %>/vendor/prism/themes/prism.css">
 <link rel="stylesheet" href="<%- url %>/vendor/emojify/css/emojify.min.css">
 <link rel="stylesheet" href="<%- url %>/vendor/showup/showup.css">
 <link rel="stylesheet" href="<%- url %>/css/mermaid.css">
diff --git a/public/views/pretty.ejs b/public/views/pretty.ejs
index 1de3610c..2546b1ac 100644
--- a/public/views/pretty.ejs
+++ b/public/views/pretty.ejs
@@ -31,6 +31,7 @@
     <link rel="stylesheet" href='<%- url %>/css/github-extract.css'>
     <link rel="stylesheet" href='<%- url %>/css/gist.css'>
     <link rel="stylesheet" href='<%- url %>/vendor/highlightjs/styles/github-gist.css'>
+    <link rel="stylesheet" href="<%- url %>/vendor/prism/themes/prism.css">
     <link rel="stylesheet" href="<%- url %>/css/mermaid.css">
     <link rel="stylesheet" href='<%- url %>/css/markdown.css'>
     <link rel="stylesheet" href='<%- url %>/vendor/emojify/css/emojify.min.css'>
@@ -115,6 +116,8 @@
 <script src="<%- url %>/vendor/gist-embed/gist-embed.min.js" defer></script>
 <script src="<%- url %>/vendor/string/dist/string.min.js" defer></script>
 <script src="<%- url %>/vendor/highlightjs/highlight.pack.min.js" defer></script>
+<script src="<%- url %>/vendor/prism/prism.js" defer></script>
+<script src="<%- url %>/vendor/prism/components/prism-wiki.min.js" defer></script>
 <script src="<%- url %>/vendor/js-cookie/src/js.cookie.js" defer></script>
 <script src="<%- url %>/vendor/emojify/js/emojify.min.js" defer></script>
 <script src="<%- url %>/vendor/raphael/raphael.min.js" defer></script>