diff --git a/yarn.lock b/yarn.lock
index 1671540..680dcdf 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1491,8 +1491,8 @@ expand-range@^1.8.1:
     fill-range "^2.1.0"
 
 extend@~3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.0.tgz#5a474353b9f3353ddd8176dfd37b91c83a46f1d4"
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.2.tgz#f8b1136b4071fbd8eb140aff858b1019ec2915fa"
 
 extglob@^0.3.1:
   version "0.3.2"
@@ -1542,7 +1542,7 @@ filled-array@^1.0.0:
 
 find-cache-dir@^0.1.1:
   version "0.1.1"
-  resolved "http://registry.npmjs.org/find-cache-dir/-/find-cache-dir-0.1.1.tgz#c8defae57c8a52a8a784f9e31c57c742e993a0b9"
+  resolved "https://registry.npmjs.org/find-cache-dir/-/find-cache-dir-0.1.1.tgz#c8defae57c8a52a8a784f9e31c57c742e993a0b9"
   dependencies:
     commondir "^1.0.1"
     mkdirp "^0.5.1"
@@ -2796,7 +2796,7 @@ registry-auth-token@^3.0.1:
 
 registry-url@^3.0.3:
   version "3.1.0"
-  resolved "http://registry.npmjs.org/registry-url/-/registry-url-3.1.0.tgz#3d4ef870f73dde1d77f0cf9a381432444e174942"
+  resolved "https://registry.npmjs.org/registry-url/-/registry-url-3.1.0.tgz#3d4ef870f73dde1d77f0cf9a381432444e174942"
   dependencies:
     rc "^1.0.1"