diff --git a/yarn.lock b/yarn.lock
index eb61c32..31bf066 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1218,7 +1218,7 @@ colorette@^2.0.16, colorette@^2.0.17:
 
 combined-stream@1.0.6:
   version "1.0.6"
-  resolved "http://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz#723e7df6e801ac5613113a7e445a9b69cb632818"
+  resolved "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz#723e7df6e801ac5613113a7e445a9b69cb632818"
   integrity sha1-cj599ugBrFYTETp+RFqbactjKBg=
   dependencies:
     delayed-stream "~1.0.0"
@@ -1324,9 +1324,9 @@ coveralls@^3.1.1:
     request "^2.88.2"
 
 cross-spawn@^7.0.2, cross-spawn@^7.0.3:
-  version "7.0.3"
-  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-7.0.3.tgz#f73a85b9d5d41d045551c177e2882d4ac85728a6"
-  integrity sha512-iRDPJKUPVEND7dHPO8rkbOnPpyDygcDFtWjpeWNCgy8WP2rXcxXL8TskReQl6OrB2G7+UJrags1q15Fudc7G6w==
+  version "7.0.6"
+  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-7.0.6.tgz#8a58fe78f00dcd70c370451759dfbfaf03e8ee9f"
+  integrity sha512-uV2QOWP2nWzsy2aMp8aRibhi9dlzF5Hgh5SHaB9OiTGEyDTiJJyx0uy51QXdyWbtAHNua4XJzUKca3OzKUd3vA==
   dependencies:
     path-key "^3.1.0"
     shebang-command "^2.0.0"
@@ -1894,7 +1894,7 @@ express-graphql@^0.6.12:
 
 express@^4.16.3:
   version "4.16.3"
-  resolved "http://registry.npmjs.org/express/-/express-4.16.3.tgz#6af8a502350db3246ecc4becf6b5a34d22f7ed53"
+  resolved "https://registry.npmjs.org/express/-/express-4.16.3.tgz#6af8a502350db3246ecc4becf6b5a34d22f7ed53"
   integrity sha1-avilAjUNsyRuzEvs9rWjTSL37VM=
   dependencies:
     accepts "~1.3.5"
@@ -2352,7 +2352,7 @@ http-errors@^1.3.0:
 
 http-errors@~1.6.2:
   version "1.6.3"
-  resolved "http://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz#8b55680bb4be283a0b5bf4ea2e38580be1d9320d"
+  resolved "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz#8b55680bb4be283a0b5bf4ea2e38580be1d9320d"
   integrity sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=
   dependencies:
     depd "~1.1.2"