diff --git a/yarn.lock b/yarn.lock
index 03c7e81..2ed71cf 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -133,7 +133,7 @@ arg@^4.1.0:
 
 argparse@^1.0.7:
   version "1.0.10"
-  resolved "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz#bcd6791ea5ae09725e17e5ad988134cd40b3d911"
+  resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.10.tgz#bcd6791ea5ae09725e17e5ad988134cd40b3d911"
   integrity sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==
   dependencies:
     sprintf-js "~1.0.2"
@@ -450,7 +450,7 @@ escape-string-regexp@^1.0.2, escape-string-regexp@^1.0.5:
 
 esprima@^4.0.0:
   version "4.0.1"
-  resolved "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz#13b04cdb3e6c5d19df91ab6987a8695619b0aa71"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.1.tgz#13b04cdb3e6c5d19df91ab6987a8695619b0aa71"
   integrity sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==
 
 esutils@^2.0.2:
@@ -839,9 +839,9 @@ js-tokens@^3.0.2:
   integrity sha1-mGbfOVECEw449/mWvOtlRDIJwls=
 
 js-yaml@^3.7.0:
-  version "3.12.1"
-  resolved "https://registry.npmjs.org/js-yaml/-/js-yaml-3.12.1.tgz#295c8632a18a23e054cf5c9d3cecafe678167600"
-  integrity sha512-um46hB9wNOKlwkHgiuyEVAybXBjwFUV0Z/RaHJblRd9DXltue9FTYvzCr9ErQrK9Adz5MU4gHWVaNUfdmrC8qA==
+  version "3.13.1"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.13.1.tgz#aff151b30bfdfa8e49e05da22e7415e9dfa37847"
+  integrity sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==
   dependencies:
     argparse "^1.0.7"
     esprima "^4.0.0"
@@ -1300,7 +1300,7 @@ split-string@^3.0.1, split-string@^3.0.2:
 
 sprintf-js@~1.0.2:
   version "1.0.3"
-  resolved "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
+  resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
   integrity sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=
 
 stack-trace@~0.0.7: