diff --git a/package-lock.json b/package-lock.json
index 5c3b06d..8fc75aa 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6,7 +6,7 @@
   "packages": {
     "": {
       "name": "thrift",
-      "version": "0.20.0",
+      "version": "0.21.0",
       "license": "Apache-2.0",
       "dependencies": {
         "browser-or-node": "^1.2.1",
@@ -3923,9 +3923,9 @@
       }
     },
     "node_modules/ws": {
-      "version": "5.2.3",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-5.2.3.tgz",
-      "integrity": "sha512-jZArVERrMsKUatIdnLzqvcfydI85dvd/Fp1u/VOpfdDWQ4c9qWXe+VIeAbQ5FrDwciAkr+lzofXLz3Kuf26AOA==",
+      "version": "5.2.4",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-5.2.4.tgz",
+      "integrity": "sha512-fFCejsuC8f9kOSu9FYaOw8CdO68O3h5v0lg4p74o8JqWpwTf9tniOD+nOB78aWoVSS6WptVUmDrp/KPsMVBWFQ==",
       "dependencies": {
         "async-limiter": "~1.0.0"
       }