diff --git a/lib/vscode/yarn.lock b/lib/vscode/yarn.lock
index 285c3f2e9ccf..b07131559247 100644
--- a/lib/vscode/yarn.lock
+++ b/lib/vscode/yarn.lock
@@ -6187,10 +6187,10 @@ neo-async@^2.5.0, neo-async@^2.6.1:
   resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.2.tgz#b4aafb93e3aeb2d8174ca53cf163ab7d7308305f"
   integrity sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw==
 
-netmask@^1.0.6:
-  version "1.0.6"
-  resolved "https://registry.yarnpkg.com/netmask/-/netmask-1.0.6.tgz#20297e89d86f6f6400f250d9f4f6b4c1945fcd35"
-  integrity sha1-ICl+idhvb2QA8lDZ9Pa0wZRfzTU=
+netmask@^2.0.1:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/netmask/-/netmask-2.0.2.tgz#8b01a07644065d536383835823bc52004ebac5e7"
+  integrity sha512-dBpDMdxv9Irdq66304OLfEmQ9tbNRFnFTuZiLo+bD+r332bBmMJ8GBLXklIXXgxd3+v9+KUnZaUR5PJMa75Gsg==
 
 next-tick@1, next-tick@^1.1.0:
   version "1.1.0"
@@ -6653,13 +6653,13 @@ pac-proxy-agent@^4.1.0:
     socks-proxy-agent "5"
 
 pac-resolver@^4.1.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/pac-resolver/-/pac-resolver-4.1.0.tgz#4b12e7d096b255a3b84e53f6831f32e9c7e5fe95"
-  integrity sha512-d6lf2IrZJJ7ooVHr7BfwSjRO1yKSJMaiiWYSHcrxSIUtZrCa4KKGwcztdkZ/E9LFleJfjoi1yl+XLR7AX24nbQ==
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/pac-resolver/-/pac-resolver-4.2.0.tgz#b82bcb9992d48166920bc83c7542abb454bd9bdd"
+  integrity sha512-rPACZdUyuxT5Io/gFKUeeZFfE5T7ve7cAkE5TUZRRfuKP0u5Hocwe48X7ZEm6mYB+bTB0Qf+xlVlA/RM/i6RCQ==
   dependencies:
     degenerator "^2.2.0"
     ip "^1.1.5"
-    netmask "^1.0.6"
+    netmask "^2.0.1"
 
 pako@~1.0.5:
   version "1.0.11"