diff --git a/package-lock.json b/package-lock.json
index 5adb986..a47fa75 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20,7 +20,7 @@
         "encoding-japanese": "^2.0.0",
         "jsdom": "21.1.0",
         "pre-commit": "1.2.2",
-        "prettier": "2.7.1",
+        "prettier": "2.8.3",
         "serve": "14.2.0",
         "vuepress": "1.9.7"
       }
@@ -12307,9 +12307,9 @@
       }
     },
     "node_modules/prettier": {
-      "version": "2.7.1",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.7.1.tgz",
-      "integrity": "sha512-ujppO+MkdPqoVINuDFDRLClm7D78qbDt0/NR+wp5FqEZOoTNAjPHWj17QRhu7geIHJfcNhRk1XVQmF8Bp3ye+g==",
+      "version": "2.8.3",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.8.3.tgz",
+      "integrity": "sha512-tJ/oJ4amDihPoufT5sM0Z1SKEuKay8LfVAMlbbhnnkvt6BUserZylqo2PN+p9KeljLr0OHa2rXHU1T8reeoTrw==",
       "dev": true,
       "bin": {
         "prettier": "bin-prettier.js"
@@ -27259,9 +27259,9 @@
       "dev": true
     },
     "prettier": {
-      "version": "2.7.1",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.7.1.tgz",
-      "integrity": "sha512-ujppO+MkdPqoVINuDFDRLClm7D78qbDt0/NR+wp5FqEZOoTNAjPHWj17QRhu7geIHJfcNhRk1XVQmF8Bp3ye+g==",
+      "version": "2.8.3",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.8.3.tgz",
+      "integrity": "sha512-tJ/oJ4amDihPoufT5sM0Z1SKEuKay8LfVAMlbbhnnkvt6BUserZylqo2PN+p9KeljLr0OHa2rXHU1T8reeoTrw==",
       "dev": true
     },
     "pretty-error": {
diff --git a/package.json b/package.json
index 39068a9..49daaaf 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "encoding-japanese": "^2.0.0",
     "jsdom": "21.1.0",
     "pre-commit": "1.2.2",
-    "prettier": "2.7.1",
+    "prettier": "2.8.3",
     "serve": "14.2.0",
     "vuepress": "1.9.7"
   },