diff --git a/package-lock.json b/package-lock.json
index 831c934..2df71d1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,7 +30,7 @@
       },
       "devDependencies": {
         "@janejeon/eslint-config": "^2.2.0",
-        "@janejeon/prettier-config": "^1.1.0",
+        "@janejeon/prettier-config": "^2.0.0",
         "enhanced-resolve": "^5.8.3",
         "husky": "^6.0.0",
         "jest": "^29.0.0",
@@ -1065,12 +1065,13 @@
       }
     },
     "node_modules/@janejeon/prettier-config": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/@janejeon/prettier-config/-/prettier-config-1.1.0.tgz",
-      "integrity": "sha512-V+ZawjpwPKJgSjmbQZXZcSA4F0wWCleMZ2yMCb8UB2k6Eibzzygj7TG5ZbbO5vcKWvwBe+wkT5bvBhN7c4raoA==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/@janejeon/prettier-config/-/prettier-config-2.0.0.tgz",
+      "integrity": "sha512-PTNICAq4sEbFU/X4wcfA+vFoc9vy+WbYBxa5lj/XLnMsKASfl5xoXTv9EeNTHrLr/M+QNnyoddaKvLAowehKaQ==",
       "dev": true,
-      "dependencies": {
-        "prettier": "^2.4.1"
+      "license": "LGPL-3.0",
+      "peerDependencies": {
+        "prettier": "^3"
       }
     },
     "node_modules/@jest/console": {
@@ -7000,15 +7001,20 @@
       }
     },
     "node_modules/prettier": {
-      "version": "2.4.1",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.4.1.tgz",
-      "integrity": "sha512-9fbDAXSBcc6Bs1mZrDYb3XKzDLm4EXXL9sC1LqKP5rZkT6KRr/rf9amVUcODVXgguK/isJz0d0hP72WeaKWsvA==",
+      "version": "3.8.3",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.8.3.tgz",
+      "integrity": "sha512-7igPTM53cGHMW8xWuVTydi2KO233VFiTNyF5hLJqpilHfmn8C8gPf+PS7dUT64YcXFbiMGZxS9pCSxL/Dxm/Jw==",
       "dev": true,
+      "license": "MIT",
+      "peer": true,
       "bin": {
-        "prettier": "bin-prettier.js"
+        "prettier": "bin/prettier.cjs"
       },
       "engines": {
-        "node": ">=10.13.0"
+        "node": ">=14"
+      },
+      "funding": {
+        "url": "https://github.com/prettier/prettier?sponsor=1"
       }
     },
     "node_modules/prettier-linter-helpers": {
@@ -9222,13 +9228,11 @@
       }
     },
     "@janejeon/prettier-config": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/@janejeon/prettier-config/-/prettier-config-1.1.0.tgz",
-      "integrity": "sha512-V+ZawjpwPKJgSjmbQZXZcSA4F0wWCleMZ2yMCb8UB2k6Eibzzygj7TG5ZbbO5vcKWvwBe+wkT5bvBhN7c4raoA==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/@janejeon/prettier-config/-/prettier-config-2.0.0.tgz",
+      "integrity": "sha512-PTNICAq4sEbFU/X4wcfA+vFoc9vy+WbYBxa5lj/XLnMsKASfl5xoXTv9EeNTHrLr/M+QNnyoddaKvLAowehKaQ==",
       "dev": true,
-      "requires": {
-        "prettier": "^2.4.1"
-      }
+      "requires": {}
     },
     "@jest/console": {
       "version": "29.7.0",
@@ -13528,10 +13532,11 @@
       "dev": true
     },
     "prettier": {
-      "version": "2.4.1",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.4.1.tgz",
-      "integrity": "sha512-9fbDAXSBcc6Bs1mZrDYb3XKzDLm4EXXL9sC1LqKP5rZkT6KRr/rf9amVUcODVXgguK/isJz0d0hP72WeaKWsvA==",
-      "dev": true
+      "version": "3.8.3",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.8.3.tgz",
+      "integrity": "sha512-7igPTM53cGHMW8xWuVTydi2KO233VFiTNyF5hLJqpilHfmn8C8gPf+PS7dUT64YcXFbiMGZxS9pCSxL/Dxm/Jw==",
+      "dev": true,
+      "peer": true
     },
     "prettier-linter-helpers": {
       "version": "1.0.0",
diff --git a/package.json b/package.json
index b0ca633..311cf28 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
   },
   "devDependencies": {
     "@janejeon/eslint-config": "^2.2.0",
-    "@janejeon/prettier-config": "^1.1.0",
+    "@janejeon/prettier-config": "^2.0.0",
     "enhanced-resolve": "^5.8.3",
     "husky": "^6.0.0",
     "jest": "^29.0.0",