diff --git a/package-lock.json b/package-lock.json
index 49c29431..735f1b23 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "vsc-leetcode-cli",
-  "version": "2.6.20",
+  "version": "2.6.21",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -4012,6 +4012,32 @@
         "winston": "2.1.x"
       }
     },
+    "prompt-sync": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/prompt-sync/-/prompt-sync-4.2.0.tgz",
+      "integrity": "sha512-BuEzzc5zptP5LsgV5MZETjDaKSWfchl5U9Luiu8SKp7iZWD5tZalOxvNcZRwv+d2phNFr8xlbxmFNcRKfJOzJw==",
+      "dev": true,
+      "requires": {
+        "strip-ansi": "^5.0.0"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
+          "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
+          "dev": true
+        },
+        "strip-ansi": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+          "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^4.1.0"
+          }
+        }
+      }
+    },
     "propagate": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/propagate/-/propagate-1.0.0.tgz",
diff --git a/package.json b/package.json
index 14371304..6d8ca383 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vsc-leetcode-cli",
-  "version": "2.6.20",
+  "version": "2.6.21",
   "description": "A cli tool to enjoy leetcode!",
   "engines": {
     "node": ">=4"