diff --git a/yarn.lock b/yarn.lock
index 8709acf..bfaa87e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -975,7 +975,7 @@ acorn-dynamic-import@^3.0.0:
 
 acorn-jsx@^3.0.0:
   version "3.0.1"
-  resolved "http://registry.npmjs.org/acorn-jsx/-/acorn-jsx-3.0.1.tgz#afdf9488fb1ecefc8348f6fb22f464e32a58b36b"
+  resolved "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-3.0.1.tgz#afdf9488fb1ecefc8348f6fb22f464e32a58b36b"
   dependencies:
     acorn "^3.0.4"
 
@@ -987,7 +987,7 @@ acorn-jsx@^4.1.1:
 
 acorn@^3.0.4:
   version "3.3.0"
-  resolved "http://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz#45e37fb39e8da3f25baee3ff5369e2bb5f22017a"
+  resolved "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz#45e37fb39e8da3f25baee3ff5369e2bb5f22017a"
 
 acorn@^4.0.3:
   version "4.0.13"
@@ -2463,7 +2463,7 @@ buffer-xor@^1.0.3:
 
 buffer@^3.0.1:
   version "3.6.0"
-  resolved "http://registry.npmjs.org/buffer/-/buffer-3.6.0.tgz#a72c936f77b96bf52f5f7e7b467180628551defb"
+  resolved "https://registry.npmjs.org/buffer/-/buffer-3.6.0.tgz#a72c936f77b96bf52f5f7e7b467180628551defb"
   dependencies:
     base64-js "0.0.8"
     ieee754 "^1.1.4"
@@ -3105,7 +3105,7 @@ compressible@~2.0.14:
 
 compression@^1.5.2:
   version "1.7.2"
-  resolved "http://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
+  resolved "https://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
   dependencies:
     accepts "~1.3.4"
     bytes "3.0.0"
@@ -4640,7 +4640,7 @@ eslint-visitor-keys@^1.0.0:
 
 eslint@^4.19.1:
   version "4.19.1"
-  resolved "http://registry.npmjs.org/eslint/-/eslint-4.19.1.tgz#32d1d653e1d90408854bfb296f076ec7e186a300"
+  resolved "https://registry.npmjs.org/eslint/-/eslint-4.19.1.tgz#32d1d653e1d90408854bfb296f076ec7e186a300"
   dependencies:
     ajv "^5.3.0"
     babel-code-frame "^6.22.0"
@@ -4905,7 +4905,7 @@ expand-tilde@^2.0.0, expand-tilde@^2.0.2:
 
 express-graphql@^0.6.12:
   version "0.6.12"
-  resolved "http://registry.npmjs.org/express-graphql/-/express-graphql-0.6.12.tgz#dfcb2058ca72ed5190b140830ad8cdbf76a9128a"
+  resolved "https://registry.npmjs.org/express-graphql/-/express-graphql-0.6.12.tgz#dfcb2058ca72ed5190b140830ad8cdbf76a9128a"
   dependencies:
     accepts "^1.3.0"
     content-type "^1.0.4"
@@ -4914,7 +4914,7 @@ express-graphql@^0.6.12:
 
 express@^4.16.2, 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"
   dependencies:
     accepts "~1.3.5"
     array-flatten "1.1.1"
@@ -5334,10 +5334,8 @@ flush-write-stream@^1.0.0:
     readable-stream "^2.0.4"
 
 follow-redirects@^1.0.0:
-  version "1.4.1"
-  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.4.1.tgz#d8120f4518190f55aac65bb6fc7b85fcd666d6aa"
-  dependencies:
-    debug "^3.1.0"
+  version "1.14.8"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.14.8.tgz#016996fb9a11a100566398b1c6839337d7bfa8fc"
 
 fontfaceobserver@^2.0.13:
   version "2.0.13"
@@ -6306,7 +6304,7 @@ graphql-type-json@^0.2.1:
 
 graphql@^0.13.0, graphql@^0.13.2:
   version "0.13.2"
-  resolved "http://registry.npmjs.org/graphql/-/graphql-0.13.2.tgz#4c740ae3c222823e7004096f832e7b93b2108270"
+  resolved "https://registry.npmjs.org/graphql/-/graphql-0.13.2.tgz#4c740ae3c222823e7004096f832e7b93b2108270"
   dependencies:
     iterall "^1.2.1"
 
@@ -6735,7 +6733,7 @@ http-parser-js@>=0.4.0:
 
 http-proxy-middleware@~0.18.0:
   version "0.18.0"
-  resolved "http://registry.npmjs.org/http-proxy-middleware/-/http-proxy-middleware-0.18.0.tgz#0987e6bb5a5606e5a69168d8f967a87f15dd8aab"
+  resolved "https://registry.npmjs.org/http-proxy-middleware/-/http-proxy-middleware-0.18.0.tgz#0987e6bb5a5606e5a69168d8f967a87f15dd8aab"
   dependencies:
     http-proxy "^1.16.2"
     is-glob "^4.0.0"
@@ -9021,7 +9019,7 @@ onecolor@^3.0.4:
 
 onetime@^1.0.0:
   version "1.1.0"
-  resolved "http://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
+  resolved "https://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
 
 onetime@^2.0.0:
   version "2.0.1"
@@ -9151,7 +9149,7 @@ p-finally@^1.0.0:
 
 p-is-promise@^1.1.0:
   version "1.1.0"
-  resolved "http://registry.npmjs.org/p-is-promise/-/p-is-promise-1.1.0.tgz#9c9456989e9f6588017b0434d56097675c3da05e"
+  resolved "https://registry.npmjs.org/p-is-promise/-/p-is-promise-1.1.0.tgz#9c9456989e9f6588017b0434d56097675c3da05e"
 
 p-limit@^1.1.0:
   version "1.2.0"
@@ -10492,7 +10490,7 @@ pretty-error@^2.1.1:
 
 pretty-format@^22.4.3:
   version "22.4.3"
-  resolved "http://registry.npmjs.org/pretty-format/-/pretty-format-22.4.3.tgz#f873d780839a9c02e9664c8a082e9ee79eaac16f"
+  resolved "https://registry.npmjs.org/pretty-format/-/pretty-format-22.4.3.tgz#f873d780839a9c02e9664c8a082e9ee79eaac16f"
   dependencies:
     ansi-regex "^3.0.0"
     ansi-styles "^3.2.0"