diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3be5137de..6f29d02af 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1469,6 +1469,7 @@ raw template
 {%- endblock in_prompt -%}
     """
 
+
 exporter_attr = AttrExporter()
 output_attr, _ = exporter_attr.from_notebook_node(nb)
 assert "raw template" in output_attr
diff --git a/nbconvert/exporters/html.py b/nbconvert/exporters/html.py
index 9086c83b8..563b370a2 100644
--- a/nbconvert/exporters/html.py
+++ b/nbconvert/exporters/html.py
@@ -124,7 +124,7 @@ class HTMLExporter(TemplateExporter):
     ).tag(config=True)
 
     mermaid_js_url = Unicode(
-        "https://cdnjs.cloudflare.com/ajax/libs/mermaid/10.6.0/mermaid.esm.min.mjs",
+        "https://cdnjs.cloudflare.com/ajax/libs/mermaid/10.7.0/mermaid.esm.min.mjs",
         help="""
         URL to load MermaidJS from.
 
diff --git a/share/templates/lab/mermaidjs.html.j2 b/share/templates/lab/mermaidjs.html.j2
index 9fd3c9163..f75e33ffb 100644
--- a/share/templates/lab/mermaidjs.html.j2
+++ b/share/templates/lab/mermaidjs.html.j2
@@ -1,5 +1,5 @@
 {%- macro mermaid_js(
-url="https://cdnjs.cloudflare.com/ajax/libs/mermaid/10.6.0/mermaid.esm.min.mjs"
+url="https://cdnjs.cloudflare.com/ajax/libs/mermaid/10.7.0/mermaid.esm.min.mjs"
 ) -%}
 <script type="module">
   document.addEventListener("DOMContentLoaded", async () => {
@@ -13,6 +13,7 @@ url="https://cdnjs.cloudflare.com/ajax/libs/mermaid/10.6.0/mermaid.esm.min.mjs"
 
     mermaid.initialize({
       maxTextSize: 100000,
+      maxEdges: 100000,
       startOnLoad: false,
       fontFamily: window
         .getComputedStyle(document.body)