diff --git a/package.json b/package.json
index 7d269e4..ce242ba 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "@types/node": "^20.10.7",
     "astro": "^4.0.8",
     "cheerio": "1.0.0-rc.12",
-    "date-fns": "^3.0.6",
+    "date-fns": "^3.1.0",
     "highlight.js": "^11.9.0",
     "microcms-js-sdk": "^2.7.0"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index e5b4404..99ba212 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -18,8 +18,8 @@ dependencies:
     specifier: 1.0.0-rc.12
     version: 1.0.0-rc.12
   date-fns:
-    specifier: ^3.0.6
-    version: 3.0.6
+    specifier: ^3.1.0
+    version: 3.1.0
   highlight.js:
     specifier: ^11.9.0
     version: 11.9.0
@@ -1531,8 +1531,8 @@ packages:
     engines: {node: '>= 6'}
     dev: false
 
-  /date-fns@3.0.6:
-    resolution: {integrity: sha512-W+G99rycpKMMF2/YD064b2lE7jJGUe+EjOES7Q8BIGY8sbNdbgcs9XFTZwvzc9Jx1f3k7LB7gZaZa7f8Agzljg==}
+  /date-fns@3.1.0:
+    resolution: {integrity: sha512-ZO7yefXV/wCWzd3I9haCHmfzlfA3i1a2HHO7ZXjtJrRjXt8FULKJ2Vl8wji3XYF4dQ0ZJ/tokXDZeYlFvgms9Q==}
     dev: false
 
   /debug@2.6.9: