diff --git a/package.json b/package.json
index 1085955..0c38a1e 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "dotenv": "^6.2.0",
     "express": "^4.16.4",
     "request": "^2.88.0",
-    "request-promise": "^4.2.2",
+    "request-promise": "^4.2.6",
     "sha256": "^0.2.0"
   },
   "scripts": {
diff --git a/yarn.lock b/yarn.lock
index 190eefb..be63183 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1473,11 +1473,6 @@ invariant@^2.2.2:
   dependencies:
     loose-envify "^1.0.0"
 
-ip-regex@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/ip-regex/-/ip-regex-3.0.0.tgz#0a934694b4066558c46294244a23cc33116bf732"
-  integrity sha512-T8wDtjy+Qf2TAPDQmBp0eGKJ8GavlWlUnamr3wRn6vvdZlKVuJXXMlSncYFRYgVHOM3If5NR1H4+OvVQU9Idvg==
-
 ipaddr.js@1.8.0:
   version "1.8.0"
   resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.8.0.tgz#eaa33d6ddd7ace8f7f6fe0c9ca0440e706738b1e"
@@ -1721,11 +1716,16 @@ lodash.debounce@^4.0.8:
   resolved "https://registry.yarnpkg.com/lodash.debounce/-/lodash.debounce-4.0.8.tgz#82d79bff30a67c4005ffd5e2515300ad9ca4d7af"
   integrity sha1-gteb/zCmfEAF/9XiUVMArZyk168=
 
-lodash@^4.13.1, lodash@^4.17.10:
+lodash@^4.17.10:
   version "4.17.11"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
   integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
 
+lodash@^4.17.19:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
+
 loose-envify@^1.0.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/loose-envify/-/loose-envify-1.4.0.tgz#71ee51fa7be4caec1a63839f7e682d8132d30caf"
@@ -2220,22 +2220,22 @@ repeat-string@^1.6.1:
   resolved "https://registry.yarnpkg.com/repeat-string/-/repeat-string-1.6.1.tgz#8dcae470e1c88abc2d600fff4a776286da75e637"
   integrity sha1-jcrkcOHIirwtYA//Sndihtp15jc=
 
-request-promise-core@1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/request-promise-core/-/request-promise-core-1.1.1.tgz#3eee00b2c5aa83239cfb04c5700da36f81cd08b6"
-  integrity sha1-Pu4AssWqgyOc+wTFcA2jb4HNCLY=
+request-promise-core@1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/request-promise-core/-/request-promise-core-1.1.4.tgz#3eedd4223208d419867b78ce815167d10593a22f"
+  integrity sha512-TTbAfBBRdWD7aNNOoVOBH4pN/KigV6LyapYNNlAPA8JwbovRti1E88m3sYAwsLi5ryhPKsE9APwnjFTgdUjTpw==
   dependencies:
-    lodash "^4.13.1"
+    lodash "^4.17.19"
 
-request-promise@^4.2.2:
-  version "4.2.2"
-  resolved "https://registry.yarnpkg.com/request-promise/-/request-promise-4.2.2.tgz#d1ea46d654a6ee4f8ee6a4fea1018c22911904b4"
-  integrity sha1-0epG1lSm7k+O5qT+oQGMIpEZBLQ=
+request-promise@^4.2.6:
+  version "4.2.6"
+  resolved "https://registry.yarnpkg.com/request-promise/-/request-promise-4.2.6.tgz#7e7e5b9578630e6f598e3813c0f8eb342a27f0a2"
+  integrity sha512-HCHI3DJJUakkOr8fNoCc73E5nU5bqITjOYFMDrKHYOXWXrgD/SBaC7LjwuPymUprRyuF06UK7hd/lMHkmUXglQ==
   dependencies:
     bluebird "^3.5.0"
-    request-promise-core "1.1.1"
-    stealthy-require "^1.1.0"
-    tough-cookie ">=2.3.3"
+    request-promise-core "1.1.4"
+    stealthy-require "^1.1.1"
+    tough-cookie "^2.3.3"
 
 request@^2.88.0:
   version "2.88.0"
@@ -2482,7 +2482,7 @@ statuses@~1.4.0:
   resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.4.0.tgz#bb73d446da2796106efcc1b601a253d6c46bd087"
   integrity sha512-zhSCtt8v2NDrRlPQpCNtw/heZLtfUDqxBM1udqikb/Hbk52LK4nQSwr10u77iopCW5LsyHpuXS0GnEc48mLeew==
 
-stealthy-require@^1.1.0:
+stealthy-require@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/stealthy-require/-/stealthy-require-1.1.1.tgz#35b09875b4ff49f26a777e509b3090a3226bf24b"
   integrity sha1-NbCYdbT/SfJqd35QmzCQoyJr8ks=
@@ -2580,12 +2580,11 @@ to-regex@^3.0.1, to-regex@^3.0.2:
     regex-not "^1.0.2"
     safe-regex "^1.1.0"
 
-tough-cookie@>=2.3.3:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-3.0.0.tgz#d2bceddebde633153ff20a52fa844a0dc71dacef"
-  integrity sha512-LHMvg+RBP/mAVNqVbOX8t+iJ+tqhBA/t49DuI7+IDAWHrASnesqSu1vWbKB7UrE2yk+HMFUBMadRGMkB4VCfog==
+tough-cookie@^2.3.3:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.5.0.tgz#cd9fb2a0aa1d5a12b473bd9fb96fa3dcff65ade2"
+  integrity sha512-nlLsUzgm1kfLXSXfRZMc1KLAugd4hqJHDTvc2hDIwS3mZAfMEuMbc03SujMF+GEcpaX/qboeycw6iO8JwVv2+g==
   dependencies:
-    ip-regex "^3.0.0"
     psl "^1.1.28"
     punycode "^2.1.1"