diff --git a/package.json b/package.json
index c5f2094..b128f1c 100644
--- a/package.json
+++ b/package.json
@@ -32,8 +32,8 @@
     "next": "12.1.6",
     "next-head-seo": "0.1.3",
     "next-sitemap": "3.0.5",
-    "react": "18.1.0",
-    "react-dom": "18.1.0",
+    "react": "18.3.1",
+    "react-dom": "18.3.1",
     "react-scroll": "1.8.7",
     "react-use": "17.4.0",
     "rss": "1.2.2",
@@ -41,7 +41,7 @@
   },
   "devDependencies": {
     "@next/bundle-analyzer": "12.1.6",
-    "@types/react": "18.0.12",
+    "@types/react": "18.3.27",
     "@types/react-scroll": "1.8.3",
     "@types/rss": "0.0.29",
     "@typescript-eslint/eslint-plugin": "5.27.0",
diff --git a/yarn.lock b/yarn.lock
index 4bf3ffe..a2251eb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -193,7 +193,7 @@
   dependencies:
     "@types/react" "*"
 
-"@types/react@*", "@types/react@18.0.12":
+"@types/react@*":
   version "18.0.12"
   resolved "https://registry.yarnpkg.com/@types/react/-/react-18.0.12.tgz#cdaa209d0a542b3fcf69cf31a03976ec4cdd8840"
   integrity sha512-duF1OTASSBQtcigUvhuiTB1Ya3OvSy+xORCiEf20H0P0lzx+/KeVsA99U5UjLXSbyo1DRJDlLKqTeM1ngosqtg==
@@ -202,6 +202,14 @@
     "@types/scheduler" "*"
     csstype "^3.0.2"
 
+"@types/react@18.3.27":
+  version "18.3.27"
+  resolved "https://registry.yarnpkg.com/@types/react/-/react-18.3.27.tgz#74a3b590ea183983dc65a474dc17553ae1415c34"
+  integrity sha512-cisd7gxkzjBKU2GgdYrTdtQx1SORymWyaAFhaxQPK9bYO9ot3Y5OikQRvY0VYQtvwjeQnizCINJAenh/V7MK2w==
+  dependencies:
+    "@types/prop-types" "*"
+    csstype "^3.2.2"
+
 "@types/rss@0.0.29":
   version "0.0.29"
   resolved "https://registry.yarnpkg.com/@types/rss/-/rss-0.0.29.tgz#1f2b37a863021c56398bf913fd02efad484123c8"
@@ -335,15 +343,9 @@ ansi-escapes@^4.3.0:
   resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-4.3.2.tgz#6b2291d1db7d98b6521d5f1efa42d0f3a9feb65e"
   integrity sha512-gKXj5ALrKWQLsYG9jlTRmR/xKluxHV+Z9QEwNIgCfM1/uwPMCuzVVnh5mwTd+OuBZcwSIMbqssNWRm1lE51QaQ==
   dependencies:
-<<<<<<< HEAD
-    type-fest "^0.11.0"
-
-ansi-regex@^5.0.0, ansi-regex@^5.0.1:
-=======
     type-fest "^0.21.3"
 
 ansi-regex@^5.0.1:
->>>>>>> 33771d5 (Headコンポーネント実装)
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-5.0.1.tgz#082cb2c89c9fe8659a311a53bd6a4dc5301db304"
   integrity sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==
@@ -675,6 +677,11 @@ csstype@^3.0.2, csstype@^3.0.6:
   resolved "https://registry.yarnpkg.com/csstype/-/csstype-3.1.0.tgz#4ddcac3718d787cf9df0d1b7d15033925c8f29f2"
   integrity sha512-uX1KG+x9h5hIJsaKR9xHUeUraxf8IODOwq9JLNPq6BwB04a/xgpq3rcx47l5BZu5zBPlgD342tdke3Hom/nJRA==
 
+csstype@^3.2.2:
+  version "3.2.3"
+  resolved "https://registry.yarnpkg.com/csstype/-/csstype-3.2.3.tgz#ec48c0f3e993e50648c86da559e2610995cf989a"
+  integrity sha512-z1HGKcYy2xA8AGQfwrn0PAy+PB7X/GSj3UVJW9qKyn43xWa+gl5nXmU4qqLMRzWVLFC8KusUX8T/0kCiOYpAIQ==
+
 damerau-levenshtein@^1.0.7:
   version "1.0.8"
   resolved "https://registry.yarnpkg.com/damerau-levenshtein/-/damerau-levenshtein-1.0.8.tgz#b43d286ccbd36bc5b2f7ed41caf2d0aba1f8a6e7"
@@ -2298,13 +2305,13 @@ queue@6.0.2:
   dependencies:
     inherits "~2.0.3"
 
-react-dom@18.1.0:
-  version "18.1.0"
-  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-18.1.0.tgz#7f6dd84b706408adde05e1df575b3a024d7e8a2f"
-  integrity sha512-fU1Txz7Budmvamp7bshe4Zi32d0ll7ect+ccxNu9FlObT605GOEB8BfO4tmRJ39R5Zj831VCpvQ05QPBW5yb+w==
+react-dom@18.3.1:
+  version "18.3.1"
+  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-18.3.1.tgz#c2265d79511b57d479b3dd3fdfa51536494c5cb4"
+  integrity sha512-5m4nQKp+rZRb09LNH59GM4BxTh9251/ylbKIbpe7TpGxfJ+9kv6BLkLBXIjjspbgbnIBNqlI23tRnTWT0snUIw==
   dependencies:
     loose-envify "^1.1.0"
-    scheduler "^0.22.0"
+    scheduler "^0.23.2"
 
 react-is@^16.13.1:
   version "16.13.1"
@@ -2344,10 +2351,10 @@ react-use@17.4.0:
     ts-easing "^0.2.0"
     tslib "^2.1.0"
 
-react@18.1.0:
-  version "18.1.0"
-  resolved "https://registry.yarnpkg.com/react/-/react-18.1.0.tgz#6f8620382decb17fdc5cc223a115e2adbf104890"
-  integrity sha512-4oL8ivCz5ZEPyclFQXaNksK3adutVS8l2xzZU0cqEFrE9Sb7fC0EFK5uEk74wIreL1DERyjvsU915j1pcT2uEQ==
+react@18.3.1:
+  version "18.3.1"
+  resolved "https://registry.yarnpkg.com/react/-/react-18.3.1.tgz#49ab892009c53933625bd16b2533fc754cab2891"
+  integrity sha512-wS+hAgJShR0KhEvPJArfuPVN1+Hz1t0Y6n5jLrGQbkb4urgPE/0Rve+1kMB1v/oWgHgm4WIcV+i7F2pTVj+2iQ==
   dependencies:
     loose-envify "^1.1.0"
 
@@ -2467,10 +2474,10 @@ rxjs@^7.5.5:
   dependencies:
     tslib "^2.1.0"
 
-scheduler@^0.22.0:
-  version "0.22.0"
-  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.22.0.tgz#83a5d63594edf074add9a7198b1bae76c3db01b8"
-  integrity sha512-6QAm1BgQI88NPYymgGQLCZgvep4FyePDWFpXVK+zNSUgHwlqpJy8VEh8Et0KxTACS4VWwMousBElAZOH9nkkoQ==
+scheduler@^0.23.2:
+  version "0.23.2"
+  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.23.2.tgz#414ba64a3b282892e944cf2108ecc078d115cdc3"
+  integrity sha512-UOShsPwz7NrMUqhR6t0hWjFduvOzbtv7toDH1/hIrfRNIDBnnBWd0CwJTGvTpngVlmwGCdP9/Zl/tVrDqcuYzQ==
   dependencies:
     loose-envify "^1.1.0"