diff --git a/yarn.lock b/yarn.lock
index 48e56631ad5e008e10a04af058f3e5fe894e16c6..0c0381f5f4f8d6cdc548ccc498a184894ce5a18e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2964,13 +2964,13 @@ bcrypt-pbkdf@^1.0.0:
   dependencies:
     tweetnacl "^0.14.3"
 
-bcrypt@^3.0.2, bcrypt@^3.0.3:
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/bcrypt/-/bcrypt-3.0.3.tgz#7d1e9e5d533c5ea060e6ac8834942c004dbffe9c"
-  integrity sha512-4EuzUo6K790QC3uq/ogzy9w2Hc7XDIBoEndU5y7l7YaEAwQF8vyFqv6tC30+gOBZvyxk3F632xzKBQoLNz2pjg==
+bcrypt@3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/bcrypt/-/bcrypt-3.0.2.tgz#3c575c49ccbfdf0875eb42aa1453f5654092a33d"
+  integrity sha512-kE1IaaRchCgdrmzQX/eBQKcsuL4jRHZ+O11sMvEUrI/HgFTQYAGvxlj9z7kb3zfFuwljQ5y8/NrbnXtgx5oJLg==
   dependencies:
-    nan "2.12.1"
-    node-pre-gyp "0.12.0"
+    nan "2.11.1"
+    node-pre-gyp "0.11.0"
 
 big-integer@^1.6.17:
   version "1.6.36"
@@ -10613,16 +10613,16 @@ mute-stream@~0.0.4:
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.8.tgz#1630c42b2251ff81e2a283de96a5497ea92e5e0d"
   integrity sha512-nnbWWOkoWyUsTjKrhgD0dcz22mdkSnpYqbEjIm2nhwhuxlSkpywJmBo8h0ZqJdkp73mb90SssHkN4rsRaBAfAA==
 
-nan@2.12.1, nan@^2.10.0, nan@^2.9.2:
-  version "2.12.1"
-  resolved "https://registry.yarnpkg.com/nan/-/nan-2.12.1.tgz#7b1aa193e9aa86057e3c7bbd0ac448e770925552"
-  integrity sha512-JY7V6lRkStKcKTvHO5NVSQRv+RV+FIL5pvDoLiAtSL9pKlC5x9PKQcZDsq7m4FO4d57mkhC6Z+QhAh3Jdk5JFw==
-
-nan@^2.11.0:
+nan@2.11.1, nan@^2.11.0:
   version "2.11.1"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.11.1.tgz#90e22bccb8ca57ea4cd37cc83d3819b52eea6766"
   integrity sha512-iji6k87OSXa0CcrLl9z+ZiYSuR2o+c0bGuNmXdrhTQTakxytAFsC56SArGYoiHlJlFoHSnvmhpceZJaXkVuOtA==
 
+nan@^2.10.0, nan@^2.9.2:
+  version "2.12.1"
+  resolved "https://registry.yarnpkg.com/nan/-/nan-2.12.1.tgz#7b1aa193e9aa86057e3c7bbd0ac448e770925552"
+  integrity sha512-JY7V6lRkStKcKTvHO5NVSQRv+RV+FIL5pvDoLiAtSL9pKlC5x9PKQcZDsq7m4FO4d57mkhC6Z+QhAh3Jdk5JFw==
+
 nanomatch@^1.2.9:
   version "1.2.13"
   resolved "https://registry.yarnpkg.com/nanomatch/-/nanomatch-1.2.13.tgz#b87a8aa4fc0de8fe6be88895b38983ff265bd119"
@@ -10844,10 +10844,10 @@ node-notifier@^5.2.1:
     shellwords "^0.1.1"
     which "^1.3.0"
 
-node-pre-gyp@0.12.0:
-  version "0.12.0"
-  resolved "https://registry.yarnpkg.com/node-pre-gyp/-/node-pre-gyp-0.12.0.tgz#39ba4bb1439da030295f899e3b520b7785766149"
-  integrity sha512-4KghwV8vH5k+g2ylT+sLTjy5wmUOb9vPhnM8NHvRf9dHmnW/CndrFXy2aRPaPST6dugXSdHXfeaHQm77PIz/1A==
+node-pre-gyp@0.11.0, node-pre-gyp@^0.11.0:
+  version "0.11.0"
+  resolved "https://registry.yarnpkg.com/node-pre-gyp/-/node-pre-gyp-0.11.0.tgz#db1f33215272f692cd38f03238e3e9b47c5dd054"
+  integrity sha512-TwWAOZb0j7e9eGaf9esRx3ZcLaE5tQ2lvYy1pb5IAaG1a2e2Kv5Lms1Y4hpj+ciXJRofIxxlt5haeQ/2ANeE0Q==
   dependencies:
     detect-libc "^1.0.2"
     mkdirp "^0.5.1"
@@ -10876,22 +10876,6 @@ node-pre-gyp@^0.10.0:
     semver "^5.3.0"
     tar "^4"
 
-node-pre-gyp@^0.11.0:
-  version "0.11.0"
-  resolved "https://registry.yarnpkg.com/node-pre-gyp/-/node-pre-gyp-0.11.0.tgz#db1f33215272f692cd38f03238e3e9b47c5dd054"
-  integrity sha512-TwWAOZb0j7e9eGaf9esRx3ZcLaE5tQ2lvYy1pb5IAaG1a2e2Kv5Lms1Y4hpj+ciXJRofIxxlt5haeQ/2ANeE0Q==
-  dependencies:
-    detect-libc "^1.0.2"
-    mkdirp "^0.5.1"
-    needle "^2.2.1"
-    nopt "^4.0.1"
-    npm-packlist "^1.1.6"
-    npmlog "^4.0.2"
-    rc "^1.2.7"
-    rimraf "^2.6.1"
-    semver "^5.3.0"
-    tar "^4"
-
 node-releases@^1.0.0-alpha.11:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.0.4.tgz#2d585de8c6c81d00017e063e7810a63889aa6756"