diff --git a/package-lock.json b/package-lock.json
index 486a065..1259e3e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "dependencies": {
         "@11ty/eleventy": "^3.1.5",
         "@11ty/eleventy-utils": "^2.0.7",
-        "date-fns": "^2.29.3",
+        "date-fns": "^4.1.0",
         "deepmerge": "^4.2.2",
         "eleventy-plugin-unified": "^1.0.0",
         "hast-util-from-html": "^1.0.0",
@@ -782,15 +782,12 @@
       }
     },
     "node_modules/date-fns": {
-      "version": "2.29.3",
-      "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-2.29.3.tgz",
-      "integrity": "sha512-dDCnyH2WnnKusqvZZ6+jA1O51Ibt8ZMRNkDZdyAyK4YfbDwa/cEmuztzG5pk6hqlp9aSBPYcjOlktquahGwGeA==",
-      "engines": {
-        "node": ">=0.11"
-      },
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-4.1.0.tgz",
+      "integrity": "sha512-Ukq0owbQXxa/U3EGtsdVBkR1w7KOQ5gIBqdH2hkvknzZPYvBxb/aa6E8L7tmjFtkwZBu3UXBbjIgPo/Ez4xaNg==",
       "funding": {
-        "type": "opencollective",
-        "url": "https://opencollective.com/date-fns"
+        "type": "github",
+        "url": "https://github.com/sponsors/kossnocorp"
       }
     },
     "node_modules/debug": {
@@ -5151,9 +5148,9 @@
       }
     },
     "date-fns": {
-      "version": "2.29.3",
-      "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-2.29.3.tgz",
-      "integrity": "sha512-dDCnyH2WnnKusqvZZ6+jA1O51Ibt8ZMRNkDZdyAyK4YfbDwa/cEmuztzG5pk6hqlp9aSBPYcjOlktquahGwGeA=="
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-4.1.0.tgz",
+      "integrity": "sha512-Ukq0owbQXxa/U3EGtsdVBkR1w7KOQ5gIBqdH2hkvknzZPYvBxb/aa6E8L7tmjFtkwZBu3UXBbjIgPo/Ez4xaNg=="
     },
     "debug": {
       "version": "4.4.3",
diff --git a/package.json b/package.json
index e4a0658..4d1ab08 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
   "dependencies": {
     "@11ty/eleventy": "^3.1.5",
     "@11ty/eleventy-utils": "^2.0.7",
-    "date-fns": "^2.29.3",
+    "date-fns": "^4.1.0",
     "deepmerge": "^4.2.2",
     "eleventy-plugin-unified": "^1.0.0",
     "hast-util-from-html": "^1.0.0",