diff --git a/2019-11-26-async-and-lightning-talks/async-rust/package-lock.json b/2019-11-26-async-and-lightning-talks/async-rust/package-lock.json
index 70fd3da..e9ae5bb 100644
--- a/2019-11-26-async-and-lightning-talks/async-rust/package-lock.json
+++ b/2019-11-26-async-and-lightning-talks/async-rust/package-lock.json
@@ -3509,9 +3509,9 @@
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+      "version": "6.2.2",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-6.2.2.tgz",
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       "dev": true,
       "requires": {
         "async-limiter": "~1.0.0"