diff --git a/package-lock.json b/package-lock.json
index 52695b8..fe3d394 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,7 @@
         "@11ty/eleventy": "^1.0.1",
         "markdown-it": "^12.3.2",
         "markdown-it-attrs": "^4.1.4",
-        "markdown-it-footnote": "^3.0.3",
+        "markdown-it-footnote": "^4.0.0",
         "title-case": "^3.0.3"
       }
     },
@@ -1953,9 +1953,9 @@
       }
     },
     "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==",
       "dev": true
     },
     "node_modules/markdown-it/node_modules/argparse": {
@@ -5056,9 +5056,9 @@
       "requires": {}
     },
     "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==",
       "dev": true
     },
     "maximatch": {
diff --git a/package.json b/package.json
index e8cae4e..eaba1f0 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "@11ty/eleventy": "^1.0.1",
     "markdown-it": "^12.3.2",
     "markdown-it-attrs": "^4.1.4",
-    "markdown-it-footnote": "^3.0.3",
+    "markdown-it-footnote": "^4.0.0",
     "title-case": "^3.0.3"
   }
 }