diff --git a/.github/workflows/publish-package.yml b/.github/workflows/publish-package.yml
index 91e89d3..2f72e7d 100644
--- a/.github/workflows/publish-package.yml
+++ b/.github/workflows/publish-package.yml
@@ -19,7 +19,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: "18.16.0"
+          node-version: "20.12.2"
           registry-url: "https://registry.npmjs.org"
       - name: Set version number to environment variable
         run: |
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0614479..9e54deb 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -31,7 +31,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: "18.16.0"
+          node-version: "20.12.2"
       - run: yarn install
       - run: yarn run lint
 
@@ -63,7 +63,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: "18.16.0"
+          node-version: "20.12.2"
       - run: yarn install
       - run: yarn run build
         env:
diff --git a/.node-version b/.node-version
index 6d80269..8783404 100644
--- a/.node-version
+++ b/.node-version
@@ -1 +1 @@
-18.16.0
+20.12.2
diff --git a/actions/publish/action.yml b/actions/publish/action.yml
index 1f035be..09d1cf1 100644
--- a/actions/publish/action.yml
+++ b/actions/publish/action.yml
@@ -16,7 +16,7 @@ runs:
   steps:
     - uses: actions/setup-node@v4
       with:
-        node-version: "18.16.0"
+        node-version: "20.12.2"
     - name: Install qiita-cli
       run: npm install -g @qiita/qiita-cli@v1.4.1
       shell: bash
diff --git a/package.json b/package.json
index 6bfe6e2..57b4f72 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "@types/debug": "^4.1.12",
     "@types/express": "^4.17.21",
     "@types/jest": "^29.5.12",
-    "@types/node": "^18.16.18",
+    "@types/node": "^20.12.8",
     "@types/react": "^18.2.73",
     "@types/react-dom": "^18.2.25",
     "@types/webpack": "^5.28.5",
@@ -75,7 +75,7 @@
     "arg": "^5.0.2",
     "boxen": "^7.1.1",
     "chalk": "^5.3.0",
-    "chokidar": "^3.5.3",
+    "chokidar": "^3.6.0",
     "debug": "^4.3.4",
     "dotenv": "^16.4.5",
     "express": "^4.19.2",
diff --git a/yarn.lock b/yarn.lock
index 8eb80a0..236ddae 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1155,10 +1155,12 @@
   resolved "https://registry.yarnpkg.com/@types/ms/-/ms-0.7.31.tgz#31b7ca6407128a3d2bbc27fe2d21b345397f6197"
   integrity sha512-iiUgKzV9AuaEkZqkOLDIvlQiL6ltuZd9tGcW3gwpnX8JbuiuhFlEGmmFXEXkN50Cvq7Os88IY2v0dkDqXYWVgA==
 
-"@types/node@*", "@types/node@^18.16.18":
-  version "18.16.18"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-18.16.18.tgz#85da09bafb66d4bc14f7c899185336d0c1736390"
-  integrity sha512-/aNaQZD0+iSBAGnvvN2Cx92HqE5sZCPZtx2TsK+4nvV23fFe09jVDvpArXr2j9DnYlzuU9WuoykDDc6wqvpNcw==
+"@types/node@*", "@types/node@^20.12.8":
+  version "20.12.8"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-20.12.8.tgz#35897bf2bfe3469847ab04634636de09552e8256"
+  integrity sha512-NU0rJLJnshZWdE/097cdCBbyW1h4hEg0xpovcoAQYHl8dnEyp/NAOiE45pvc+Bd1Dt+2r94v2eGFpQJ4R7g+2w==
+  dependencies:
+    undici-types "~5.26.4"
 
 "@types/parse-json@^4.0.0":
   version "4.0.0"
@@ -1991,10 +1993,10 @@ char-regex@^1.0.2:
   resolved "https://registry.yarnpkg.com/char-regex/-/char-regex-1.0.2.tgz#d744358226217f981ed58f479b1d6bcc29545dcf"
   integrity sha512-kWWXztvZ5SBQV+eRgKFeh8q5sLuZY2+8WUIzlxWVTg+oGwY14qylx1KbKzHd8P6ZYkAg0xyIDU9JMHhyJMZ1jw==
 
-chokidar@^3.5.3:
-  version "3.5.3"
-  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-3.5.3.tgz#1cf37c8707b932bd1af1ae22c0432e2acd1903bd"
-  integrity sha512-Dr3sfKRP6oTcjf2JmUmFJfeVMvXBdegxB0iVQ5eb2V10uFJUCAS8OByZdVAyVb8xXNz3GjjTgj9kLWsZTqE6kw==
+chokidar@^3.6.0:
+  version "3.6.0"
+  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-3.6.0.tgz#197c6cc669ef2a8dc5e7b4d97ee4e092c3eb0d5b"
+  integrity sha512-7VT13fmjotKpGipCW9JEQAusEPE+Ei8nl6/g4FBAmIm0GOOLMua9NDDo/DWp0ZAxCr3cPq5ZpBqmPAQgDda2Pw==
   dependencies:
     anymatch "~3.1.2"
     braces "~3.0.2"
@@ -6114,6 +6116,11 @@ unbox-primitive@^1.0.2:
     has-symbols "^1.0.3"
     which-boxed-primitive "^1.0.2"
 
+undici-types@~5.26.4:
+  version "5.26.5"
+  resolved "https://registry.yarnpkg.com/undici-types/-/undici-types-5.26.5.tgz#bcd539893d00b56e964fd2657a4866b221a65617"
+  integrity sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==
+
 unpipe@1.0.0, unpipe@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"

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