diff --git a/package.json b/package.json
index b3d9084..aa0ac4a 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "lit-html": "^3.0.0",
     "markdown-it": "^13.0.1",
     "markdown-it-anchor": "^8.6.7",
-    "markdown-it-footnote": "^3.0.3",
+    "markdown-it-footnote": "^4.0.0",
     "markdown-it-link-attributes": "^4.0.1",
     "preact": "^10.13.2",
     "preact-render-to-string": "^6.0.2",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index dff8863..3091b37 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -42,8 +42,8 @@ dependencies:
     specifier: ^8.6.7
     version: 8.6.7(@types/markdown-it@13.0.0)(markdown-it@13.0.1)
   markdown-it-footnote:
-    specifier: ^3.0.3
-    version: 3.0.3
+    specifier: ^4.0.0
+    version: 4.0.0
   markdown-it-link-attributes:
     specifier: ^4.0.1
     version: 4.0.1
@@ -1354,8 +1354,8 @@ packages:
       markdown-it: 13.0.1
     dev: false
 
-  /markdown-it-footnote@3.0.3:
-    resolution: {integrity: sha512-YZMSuCGVZAjzKMn+xqIco9d1cLGxbELHZ9do/TSYVzraooV8ypsppKNmUJ0fVH5ljkCInQAtFpm8Rb3eXSrt5w==}
+  /markdown-it-footnote@4.0.0:
+    resolution: {integrity: sha512-WYJ7urf+khJYl3DqofQpYfEYkZKbmXmwxQV8c8mO/hGIhgZ1wOe7R4HLFNwqx7TjILbnC98fuyeSsin19JdFcQ==}
     dev: false
 
   /markdown-it-link-attributes@4.0.1: