diff --git a/layouts/_default/_markup/render-codeblock-mermaid.html b/layouts/_default/_markup/render-codeblock-mermaid.html
new file mode 100644
index 0000000..42e8abf
--- /dev/null
+++ b/layouts/_default/_markup/render-codeblock-mermaid.html
@@ -0,0 +1,4 @@
+<pre class="mermaid">
+  {{ .Inner | htmlEscape | safeHTML }}
+</pre>
+{{ .Page.Store.Set "hasMermaid" true }}
diff --git a/layouts/_default/single.html b/layouts/_default/single.html
index 5f300bf..0e8d980 100644
--- a/layouts/_default/single.html
+++ b/layouts/_default/single.html
@@ -39,6 +39,7 @@
     {{ partialCached "footer/footer" . }}
 
     {{ partialCached "article/components/photoswipe" . }}
+    {{ partialCached "article/components/mermaid" . }}
 {{ end }}
 
 {{ define "right-sidebar" }}
diff --git a/layouts/partials/article/components/mermaid.html b/layouts/partials/article/components/mermaid.html
new file mode 100644
index 0000000..826e2f0
--- /dev/null
+++ b/layouts/partials/article/components/mermaid.html
@@ -0,0 +1,9 @@
+{{ if .Store.Get "hasMermaid" }}
+<script type="module">
+    import mermaid from 'https://cdn.jsdelivr.net/npm/mermaid@11.12.2/+esm';
+    mermaid.initialize({
+        startOnLoad: true,
+        theme: 'neutral',
+    });
+</script>
+{{ end }}
\ No newline at end of file