diff --git a/yarn.lock b/yarn.lock
index 34443cd..e0236e6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4,7 +4,7 @@
 
 "@sinonjs/formatio@^2.0.0":
   version "2.0.0"
-  resolved "http://registry.npmjs.org/@sinonjs/formatio/-/formatio-2.0.0.tgz#84db7e9eb5531df18a8c5e0bfb6e449e55e654b2"
+  resolved "https://registry.npmjs.org/@sinonjs/formatio/-/formatio-2.0.0.tgz#84db7e9eb5531df18a8c5e0bfb6e449e55e654b2"
   dependencies:
     samsam "1.3.0"
 
@@ -4498,6 +4498,7 @@ pseudomap@^1.0.1:
 punycode@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
+  integrity sha1-wNWmOycYgArY4esPpSachN1BhF4=
 
 punycode@^2.1.0:
   version "2.1.0"
@@ -5632,15 +5633,10 @@ to-regex@^3.0.1:
     regex-not "^1.0.2"
     safe-regex "^1.1.0"
 
-tough-cookie@>=2.3.3, tough-cookie@^2.3.3, tough-cookie@~2.3.3:
-  version "2.3.3"
-  resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.3.3.tgz#0b618a5565b6dea90bf3425d04d55edc475a7561"
-  dependencies:
-    punycode "^1.4.1"
-
-tough-cookie@~2.3.0:
-  version "2.3.2"
-  resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.3.2.tgz#f081f76e4c85720e6c37a5faced737150d84072a"
+tough-cookie@>=2.3.3, tough-cookie@^2.3.3, tough-cookie@~2.3.0, tough-cookie@~2.3.3:
+  version "2.3.4"
+  resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.3.4.tgz#ec60cee38ac675063ffc97a5c18970578ee83655"
+  integrity sha512-TZ6TTfI5NtZnuyy/Kecv+CnoROnyXn2DN97LontgQpCwsX2XyLYCC0ENhYkehSOwAp8rTQKc/NUIF7BkQ5rKLA==
   dependencies:
     punycode "^1.4.1"