diff --git a/token-swap/js/package-lock.json b/token-swap/js/package-lock.json
index a76935732..8bf64724e 100644
--- a/token-swap/js/package-lock.json
+++ b/token-swap/js/package-lock.json
@@ -18,7 +18,7 @@
         "@types/bn.js": "^5.1.0",
         "eslint": "^7.9.0",
         "eslint-plugin-import": "^2.22.0",
-        "prettier": "^2.1.2",
+        "prettier": "^3.5.2",
         "start-server-and-test": "^1.11.6",
         "ts-node": "^10.0.0",
         "typescript": "^4.2.4",
@@ -2749,15 +2749,19 @@
       }
     },
     "node_modules/prettier": {
-      "version": "2.5.1",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.5.1.tgz",
-      "integrity": "sha512-vBZcPRUR5MZJwoyi3ZoyQlc1rXeEck8KgeC9AwwOn+exuxLxq5toTRDTSaVrXHxelDMHy9zlicw8u66yxoSUFg==",
+      "version": "3.5.2",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.5.2.tgz",
+      "integrity": "sha512-lc6npv5PH7hVqozBR7lkBNOGXV9vMwROAPlumdBkX0wTbbzPu/U1hk5yL8p2pt4Xoc+2mkT8t/sow2YrV/M5qg==",
       "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"
       }
     },
     "node_modules/progress": {
@@ -5724,9 +5728,9 @@
       "dev": true
     },
     "prettier": {
-      "version": "2.5.1",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.5.1.tgz",
-      "integrity": "sha512-vBZcPRUR5MZJwoyi3ZoyQlc1rXeEck8KgeC9AwwOn+exuxLxq5toTRDTSaVrXHxelDMHy9zlicw8u66yxoSUFg==",
+      "version": "3.5.2",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.5.2.tgz",
+      "integrity": "sha512-lc6npv5PH7hVqozBR7lkBNOGXV9vMwROAPlumdBkX0wTbbzPu/U1hk5yL8p2pt4Xoc+2mkT8t/sow2YrV/M5qg==",
       "dev": true
     },
     "progress": {
diff --git a/token-swap/js/package.json b/token-swap/js/package.json
index 2d1e7d833..a76836d17 100644
--- a/token-swap/js/package.json
+++ b/token-swap/js/package.json
@@ -50,7 +50,7 @@
     "@types/bn.js": "^5.1.0",
     "eslint": "^7.9.0",
     "eslint-plugin-import": "^2.22.0",
-    "prettier": "^2.1.2",
+    "prettier": "^3.5.2",
     "start-server-and-test": "^1.11.6",
     "ts-node": "^10.0.0",
     "typescript": "^4.2.4",