diff --git a/token/js/package-lock.json b/token/js/package-lock.json
index 1f37d28c..74e82044 100644
--- a/token/js/package-lock.json
+++ b/token/js/package-lock.json
@@ -21,7 +21,7 @@
                 "@types/mocha": "^10.0.0",
                 "@types/node": "^18.7.9",
                 "@types/node-fetch": "^2.6.2",
-                "@types/prettier": "^2.7.0",
+                "@types/prettier": "^3.0.0",
                 "@typescript-eslint/eslint-plugin": "^5.34.0",
                 "@typescript-eslint/parser": "^5.34.0",
                 "chai": "^4.3.6",
@@ -32,7 +32,7 @@
                 "eslint-plugin-require-extensions": "^0.1.1",
                 "gh-pages": "^3.2.3",
                 "mocha": "^10.1.0",
-                "prettier": "^2.7.1",
+                "prettier": "^3.4.2",
                 "process": "^0.11.10",
                 "shx": "^0.3.4",
                 "start-server-and-test": "^1.14.0",
@@ -398,9 +398,15 @@
             }
         },
         "node_modules/@types/prettier": {
-            "version": "2.7.0",
+            "version": "3.0.0",
+            "resolved": "https://registry.npmjs.org/@types/prettier/-/prettier-3.0.0.tgz",
+            "integrity": "sha512-mFMBfMOz8QxhYVbuINtswBp9VL2b4Y0QqYHwqLz3YbgtfAcat2Dl6Y1o4e22S/OVE6Ebl9m7wWiMT2lSbAs1wA==",
+            "deprecated": "This is a stub types definition. prettier provides its own type definitions, so you do not need this installed.",
             "dev": true,
-            "license": "MIT"
+            "license": "MIT",
+            "dependencies": {
+                "prettier": "*"
+            }
         },
         "node_modules/@types/ws": {
             "version": "7.4.7",
@@ -2717,14 +2723,16 @@
             }
         },
         "node_modules/prettier": {
-            "version": "2.7.1",
+            "version": "3.4.2",
+            "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.4.2.tgz",
+            "integrity": "sha512-e9MewbtFo+Fevyuxn/4rrcDAaq0IYxPGLvObpQjiZBMAzB9IGmzlnG9RZy3FFas+eBMu2vA0CszMeduow5dIuQ==",
             "dev": true,
             "license": "MIT",
             "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"
@@ -3961,8 +3969,13 @@
             }
         },
         "@types/prettier": {
-            "version": "2.7.0",
-            "dev": true
+            "version": "3.0.0",
+            "resolved": "https://registry.npmjs.org/@types/prettier/-/prettier-3.0.0.tgz",
+            "integrity": "sha512-mFMBfMOz8QxhYVbuINtswBp9VL2b4Y0QqYHwqLz3YbgtfAcat2Dl6Y1o4e22S/OVE6Ebl9m7wWiMT2lSbAs1wA==",
+            "dev": true,
+            "requires": {
+                "prettier": "*"
+            }
         },
         "@types/ws": {
             "version": "7.4.7",
@@ -5365,7 +5378,9 @@
             "dev": true
         },
         "prettier": {
-            "version": "2.7.1",
+            "version": "3.4.2",
+            "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.4.2.tgz",
+            "integrity": "sha512-e9MewbtFo+Fevyuxn/4rrcDAaq0IYxPGLvObpQjiZBMAzB9IGmzlnG9RZy3FFas+eBMu2vA0CszMeduow5dIuQ==",
             "dev": true
         },
         "prettier-linter-helpers": {
diff --git a/token/js/package.json b/token/js/package.json
index 01d5366e..75ef19d0 100644
--- a/token/js/package.json
+++ b/token/js/package.json
@@ -65,7 +65,7 @@
         "@types/mocha": "^10.0.0",
         "@types/node": "^18.7.9",
         "@types/node-fetch": "^2.6.2",
-        "@types/prettier": "^2.7.0",
+        "@types/prettier": "^3.0.0",
         "@typescript-eslint/eslint-plugin": "^5.34.0",
         "@typescript-eslint/parser": "^5.34.0",
         "chai": "^4.3.6",
@@ -76,7 +76,7 @@
         "eslint-plugin-require-extensions": "^0.1.1",
         "gh-pages": "^3.2.3",
         "mocha": "^10.1.0",
-        "prettier": "^2.7.1",
+        "prettier": "^3.4.2",
         "process": "^0.11.10",
         "shx": "^0.3.4",
         "start-server-and-test": "^1.14.0",