diff --git a/yarn.lock b/yarn.lock
index ee766ad..8fbc925 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -737,7 +737,7 @@ acorn@^7.1.0:
 
 agent-base@^4.3.0:
   version "4.3.0"
-  resolved "https://registry.npmjs.org/agent-base/-/agent-base-4.3.0.tgz#8165f01c436009bccad0b1d122f05ed770efc6ee"
+  resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-4.3.0.tgz#8165f01c436009bccad0b1d122f05ed770efc6ee"
   integrity sha512-salcGninV0nPrwpGNn4VTXBb1SOuXQBiqbrNXoeizJsHrsL6ERFM2Ne3JUSBWRE6aeNJI2ROP/WEEIDUiDe3cg==
   dependencies:
     es6-promisify "^5.0.0"
@@ -1522,12 +1522,12 @@ es6-error@^4.0.1:
 
 es6-promise@^4.0.3:
   version "4.2.8"
-  resolved "https://registry.npmjs.org/es6-promise/-/es6-promise-4.2.8.tgz#4eb21594c972bc40553d276e510539143db53e0a"
+  resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-4.2.8.tgz#4eb21594c972bc40553d276e510539143db53e0a"
   integrity sha512-HJDGx5daxeIvxdBxvG2cb9g4tEvwIk3i8+nhX0yGrYmZUzbkdg8QbDevheDB8gd0//uPj4c1EQua8Q+MViT0/w==
 
 es6-promisify@^5.0.0:
   version "5.0.0"
-  resolved "https://registry.npmjs.org/es6-promisify/-/es6-promisify-5.0.0.tgz#5109d62f3e56ea967c4b63505aef08291c8a5203"
+  resolved "https://registry.yarnpkg.com/es6-promisify/-/es6-promisify-5.0.0.tgz#5109d62f3e56ea967c4b63505aef08291c8a5203"
   integrity sha1-UQnWLz5W6pZ8S2NQWu8IKRyKUgM=
   dependencies:
     es6-promise "^4.0.3"
@@ -2200,9 +2200,9 @@ http-signature@~1.2.0:
     sshpk "^1.7.0"
 
 https-proxy-agent@^2.2.1:
-  version "2.2.2"
-  resolved "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-2.2.2.tgz#271ea8e90f836ac9f119daccd39c19ff7dfb0793"
-  integrity sha512-c8Ndjc9Bkpfx/vCJueCPy0jlP4ccCCSNDp8xwCZzPjKJUm+B+u9WX2x98Qx4n1PiMNTWo3D7KK5ifNV/yJyRzg==
+  version "2.2.4"
+  resolved "https://registry.yarnpkg.com/https-proxy-agent/-/https-proxy-agent-2.2.4.tgz#4ee7a737abd92678a293d9b34a1af4d0d08c787b"
+  integrity sha512-OmvfoQ53WLjtA9HeYP9RNrWMJzzAz1JGaSFr1nijg0PVR1JaD/xbJq1mdEIIlxGpXp9eSe/O2LgU9DJmTPd0Eg==
   dependencies:
     agent-base "^4.3.0"
     debug "^3.1.0"
@@ -2973,7 +2973,7 @@ ms@2.1.1:
 
 ms@^2.1.1:
   version "2.1.2"
-  resolved "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
   integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
 
 mute-stream@0.0.8: