diff --git a/src/SignalR/clients/ts/FunctionalTests/package.json b/src/SignalR/clients/ts/FunctionalTests/package.json
index de0f56509710..e3228c14ea14 100644
--- a/src/SignalR/clients/ts/FunctionalTests/package.json
+++ b/src/SignalR/clients/ts/FunctionalTests/package.json
@@ -7,7 +7,7 @@
   "dependencies": {
     "@microsoft/signalr": "link:../signalr",
     "@microsoft/signalr-protocol-msgpack": "link:../signalr-protocol-msgpack",
-    "msgpack5": "^4.0.2"
+    "msgpack5": "^4.5.1"
   },
   "devDependencies": {
     "@types/debug": "0.0.30",
diff --git a/src/SignalR/clients/ts/FunctionalTests/yarn.lock b/src/SignalR/clients/ts/FunctionalTests/yarn.lock
index 1bc9524dbd5a..19e7ffc49ce2 100644
--- a/src/SignalR/clients/ts/FunctionalTests/yarn.lock
+++ b/src/SignalR/clients/ts/FunctionalTests/yarn.lock
@@ -627,13 +627,6 @@ eventemitter3@^3.0.0:
   resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-3.1.2.tgz#2d3d48f9c346698fce83a85d7d664e98535df6e7"
   integrity sha512-tvtQIeLVHjDkJYnzf2dgVMxfuSGJeM/7UCG17TT4EumTfNtF+0nebF/4zWOIkCreAbtNqhGEboB6BWrwqNaw4Q==
 
-eventsource@^1.0.7:
-  version "1.0.7"
-  resolved "https://registry.yarnpkg.com/eventsource/-/eventsource-1.0.7.tgz#8fbc72c93fcd34088090bc0a4e64f4b5cee6d8d0"
-  integrity sha512-4Ln17+vVT0k8aWq+t/bF5arcS3EpT9gYtW66EPacdj/mAFevznsnyoHLPy2BA8gbIQeIHoPsvwmfBftfcG//BQ==
-  dependencies:
-    original "^1.0.0"
-
 extend@^3.0.0, extend@~3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.2.tgz#f8b1136b4071fbd8eb140aff858b1019ec2915fa"
@@ -1203,10 +1196,10 @@ ms@^2.1.1:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
   integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
 
-msgpack5@^4.0.2:
-  version "4.2.1"
-  resolved "https://registry.yarnpkg.com/msgpack5/-/msgpack5-4.2.1.tgz#007233691af34c4168cea9477cb3236aae854f03"
-  integrity sha512-Xo7nE9ZfBVonQi1rSopNAqPdts/QHyuSEUwIEzAkB+V2FtmkkLUbP6MyVqVVQxsZYI65FpvW3Bb8Z9ZWEjbgHQ==
+msgpack5@^4.5.1:
+  version "4.5.1"
+  resolved "https://registry.yarnpkg.com/msgpack5/-/msgpack5-4.5.1.tgz#2da4dba4ea20c09fd4309c9c04f046e38cb4975e"
+  integrity sha512-zC1vkcliryc4JGlL6OfpHumSYUHWFGimSI+OgfRCjTFLmKA2/foR9rMTOhWiqfOrfxJOctrpWPvrppf8XynJxw==
   dependencies:
     bl "^2.0.1"
     inherits "^2.0.3"
@@ -1267,13 +1260,6 @@ optimist@^0.6.1:
     minimist "~0.0.1"
     wordwrap "~0.0.2"
 
-original@^1.0.0:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/original/-/original-1.0.2.tgz#e442a61cffe1c5fd20a65f3261c26663b303f25f"
-  integrity sha512-hyBVl6iqqUOJ8FqRe+l/gS8H+kKYjrEndd5Pm1MfBtsEKA038HkkdbAl/72EAXGyonD/PFsvmVG+EvcIpliMBg==
-  dependencies:
-    url-parse "^1.4.3"
-
 os-tmpdir@~1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
@@ -1363,11 +1349,6 @@ qs@~6.5.2:
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"
   integrity sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==
 
-querystringify@^2.1.1:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/querystringify/-/querystringify-2.1.1.tgz#60e5a5fd64a7f8bfa4d2ab2ed6fdf4c85bad154e"
-  integrity sha512-w7fLxIRCRT7U8Qu53jQnJyPkYZIaR4n5151KMfcJlO/A9397Wxb1amJvROTK6TOnp7PfoAmg/qXiNHI+08jRfA==
-
 range-parser@^1.2.0:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.2.1.tgz#3cf37023d199e1c24d1a55b84800c2f3e6468031"
@@ -1408,7 +1389,7 @@ remove-trailing-separator@^1.0.1:
   resolved "https://registry.yarnpkg.com/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz#c24bce2a283adad5bc3f58e0d48249b92379d8ef"
   integrity sha1-wkvOKig62tW8P1jg1IJJuSN52O8=
 
-request@2.88.0, request@^2.88.0:
+request@2.88.0:
   version "2.88.0"
   resolved "https://registry.yarnpkg.com/request/-/request-2.88.0.tgz#9c2fca4f7d35b592efe57c7f0a55e81052124fef"
   integrity sha512-NAqBSrijGLZdM0WZNsInLJpkJokL72XYjUpnB0iwsRgxh7dB6COrHnTBNwN0E+lHDAJzu7kLAkDeY08z2/A0hg==
@@ -1720,14 +1701,6 @@ uri-js@^4.2.2:
   dependencies:
     punycode "^2.1.0"
 
-url-parse@^1.4.3:
-  version "1.4.7"
-  resolved "https://registry.yarnpkg.com/url-parse/-/url-parse-1.4.7.tgz#a8a83535e8c00a316e403a5db4ac1b9b853ae278"
-  integrity sha512-d3uaVyzDB9tQoSXFvuSUNFibTd9zxd2bkVrDRvF5TmvWWQwqE4lgYJ5m+x1DbecWkw+LK4RNl2CU1hHuOKPVlg==
-  dependencies:
-    querystringify "^2.1.1"
-    requires-port "^1.0.0"
-
 useragent@2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/useragent/-/useragent-2.3.0.tgz#217f943ad540cb2128658ab23fc960f6a88c9972"
@@ -1800,7 +1773,7 @@ wrappy@1:
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
   integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=
 
-"ws@ ^6.0.0", ws@^6.0.0:
+"ws@ ^6.0.0":
   version "6.2.1"
   resolved "https://registry.yarnpkg.com/ws/-/ws-6.2.1.tgz#442fdf0a47ed64f59b6a5d8ff130f4748ed524fb"
   integrity sha512-GIyAXC2cB7LjvpgMt9EKS2ldqr0MTrORaleiOno6TweZ6r3TKtoFQWay/2PceJ3RuBasOHzXNn5Lrw1X0bEjqA==