diff --git a/package-lock.json b/package-lock.json
index 268e4a0..811a265 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,7 +21,7 @@
                 "markdown-it": "^13.0.1",
                 "markdown-it-anchor": "^8.6.7",
                 "markdown-it-attrs": "^4.1.6",
-                "markdown-it-footnote": "^3.0.3",
+                "markdown-it-footnote": "^4.0.0",
                 "markdown-it-mark": "^3.0.1",
                 "markdown-it-mathjax3": "^4.3.1",
                 "markdown-it-plantuml": "^1.4.1",
@@ -2762,9 +2762,9 @@
             }
         },
         "node_modules/markdown-it-footnote": {
-            "version": "3.0.3",
-            "resolved": "https://registry.npmjs.org/markdown-it-footnote/-/markdown-it-footnote-3.0.3.tgz",
-            "integrity": "sha512-YZMSuCGVZAjzKMn+xqIco9d1cLGxbELHZ9do/TSYVzraooV8ypsppKNmUJ0fVH5ljkCInQAtFpm8Rb3eXSrt5w=="
+            "version": "4.0.0",
+            "resolved": "https://registry.npmjs.org/markdown-it-footnote/-/markdown-it-footnote-4.0.0.tgz",
+            "integrity": "sha512-WYJ7urf+khJYl3DqofQpYfEYkZKbmXmwxQV8c8mO/hGIhgZ1wOe7R4HLFNwqx7TjILbnC98fuyeSsin19JdFcQ=="
         },
         "node_modules/markdown-it-mark": {
             "version": "3.0.1",
diff --git a/package.json b/package.json
index c291680..6a6fbfd 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
         "markdown-it": "^13.0.1",
         "markdown-it-anchor": "^8.6.7",
         "markdown-it-attrs": "^4.1.6",
-        "markdown-it-footnote": "^3.0.3",
+        "markdown-it-footnote": "^4.0.0",
         "markdown-it-mark": "^3.0.1",
         "markdown-it-mathjax3": "^4.3.1",
         "markdown-it-plantuml": "^1.4.1",