diff --git a/package.json b/package.json
index eec4308..ec4e4c8 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "@astrojs/sitemap": "^3.0.0",
     "@astrojs/svelte": "^5.0.0",
     "@astrojs/tailwind": "^5.0.0",
-    "date-fns": "^3.0.0",
+    "date-fns": "^4.0.0",
     "svelte": "^4.0.0",
     "tailwindcss": "^3.0.24"
   }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index eb1b620..4ad010b 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -27,8 +27,8 @@ importers:
         specifier: ^5.0.0
         version: 5.1.0(astro@4.15.6(rollup@4.21.2)(typescript@5.5.3))(tailwindcss@3.4.11)
       date-fns:
-        specifier: ^3.0.0
-        version: 3.6.0
+        specifier: ^4.0.0
+        version: 4.1.0
       svelte:
         specifier: ^4.0.0
         version: 4.2.19
@@ -905,8 +905,8 @@ packages:
     engines: {node: '>=4'}
     hasBin: true
 
-  date-fns@3.6.0:
-    resolution: {integrity: sha512-fRHTG8g/Gif+kSh50gaGEdToemgfj74aRX3swtiouboip5JDLAyDE9F11nHMIcvOaXeOC6D7SpNhi7uFyB7Uww==}
+  date-fns@4.1.0:
+    resolution: {integrity: sha512-Ukq0owbQXxa/U3EGtsdVBkR1w7KOQ5gIBqdH2hkvknzZPYvBxb/aa6E8L7tmjFtkwZBu3UXBbjIgPo/Ez4xaNg==}
 
   debug@4.3.7:
     resolution: {integrity: sha512-Er2nc/H7RrMXZBFCEim6TCmMk02Z8vLC2Rbi1KEBggpo0fS6l0S1nnapwmIi3yW/+GOJap1Krg4w0Hg80oCqgQ==}
@@ -3136,7 +3136,7 @@ snapshots:
 
   cssesc@3.0.0: {}
 
-  date-fns@3.6.0: {}
+  date-fns@4.1.0: {}
 
   debug@4.3.7:
     dependencies: