diff --git a/yarn.lock b/yarn.lock
index 3dd5ed4..d09c6b9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -405,15 +405,15 @@ core-util-is@1.0.2:
   integrity sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=
 
 coveralls@^3.0.3:
-  version "3.0.11"
-  resolved "https://registry.yarnpkg.com/coveralls/-/coveralls-3.0.11.tgz#e141da0922b632fcc66620f334460c3f0026a4ce"
-  integrity sha512-LZPWPR2NyGKyaABnc49dR0fpeP6UqhvGq4B5nUrTQ1UBy55z96+ga7r+/ChMdMJUwBgyJDXBi88UBgz2rs9IiQ==
+  version "3.0.14"
+  resolved "https://registry.yarnpkg.com/coveralls/-/coveralls-3.0.14.tgz#a13c4729308e8bd1a284d7a3974eff72ce6e40c6"
+  integrity sha512-nEQqCHzxiFfu1dEHYxe7xrbF5vFmx122mTWIM+BkiAOmsWbSAcucNk8stELnNk2lS1biTUjFOCIf8v8ZN225IA==
   dependencies:
     js-yaml "^3.13.1"
     lcov-parse "^1.0.0"
     log-driver "^1.2.7"
     minimist "^1.2.5"
-    request "^2.88.0"
+    request "^2.88.2"
 
 cross-spawn@^7.0.0:
   version "7.0.1"
@@ -699,7 +699,7 @@ har-schema@^2.0.0:
   resolved "https://registry.yarnpkg.com/har-schema/-/har-schema-2.0.0.tgz#a94c2224ebcac04782a0d9035521f24735b7ec92"
   integrity sha1-qUwiJOvKwEeCoNkDVSHyRzW37JI=
 
-har-validator@~5.1.0:
+har-validator@~5.1.3:
   version "5.1.3"
   resolved "https://registry.yarnpkg.com/har-validator/-/har-validator-5.1.3.tgz#1ef89ebd3e4996557675eed9893110dc350fa080"
   integrity sha512-sNvOCzEQNr/qrvJgc3UG/kD4QtlHycrzwS+6mfTrrSq97BvaYcPZZI1ZSqGSPR73Cxn4LKTD4PttRwfU7jWq5g==
@@ -1271,17 +1271,12 @@ process-on-spawn@^1.0.0:
   dependencies:
     fromentries "^1.2.0"
 
-psl@^1.1.24:
-  version "1.1.32"
-  resolved "https://registry.yarnpkg.com/psl/-/psl-1.1.32.tgz#3f132717cf2f9c169724b2b6caf373cf694198db"
-  integrity sha512-MHACAkHpihU/REGGPLj4sEfc/XKW2bheigvHO1dUqjaKigMp1C8+WLQYRGgeKFMsw5PMfegZcaN8IDXK/cD0+g==
-
-punycode@^1.4.1:
-  version "1.4.1"
-  resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
-  integrity sha1-wNWmOycYgArY4esPpSachN1BhF4=
+psl@^1.1.28:
+  version "1.8.0"
+  resolved "https://registry.yarnpkg.com/psl/-/psl-1.8.0.tgz#9326f8bcfb013adcc005fdff056acce020e51c24"
+  integrity sha512-RIdOzyoavK+hA18OGGWDqUTsCLhtA7IcZ/6NCs4fFJaHBDab+pDDmDIByWFRQJq2Cd7r1OoQxBGKOaztq+hjIQ==
 
-punycode@^2.1.0:
+punycode@^2.1.0, punycode@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.1.1.tgz#b58b010ac40c22c5657616c8d2c2c02c7bf479ec"
   integrity sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==
@@ -1298,10 +1293,10 @@ release-zalgo@^1.0.0:
   dependencies:
     es6-error "^4.0.1"
 
-request@^2.88.0:
-  version "2.88.0"
-  resolved "https://registry.yarnpkg.com/request/-/request-2.88.0.tgz#9c2fca4f7d35b592efe57c7f0a55e81052124fef"
-  integrity sha512-NAqBSrijGLZdM0WZNsInLJpkJokL72XYjUpnB0iwsRgxh7dB6COrHnTBNwN0E+lHDAJzu7kLAkDeY08z2/A0hg==
+request@^2.88.2:
+  version "2.88.2"
+  resolved "https://registry.yarnpkg.com/request/-/request-2.88.2.tgz#d73c918731cb5a87da047e207234146f664d12b3"
+  integrity sha512-MsvtOrfG9ZcrOwAW+Qi+F6HbD0CWXEh9ou77uOb7FM2WPhwT7smM833PzanhJLsgXjN89Ir6V2PczXNnMpwKhw==
   dependencies:
     aws-sign2 "~0.7.0"
     aws4 "^1.8.0"
@@ -1310,7 +1305,7 @@ request@^2.88.0:
     extend "~3.0.2"
     forever-agent "~0.6.1"
     form-data "~2.3.2"
-    har-validator "~5.1.0"
+    har-validator "~5.1.3"
     http-signature "~1.2.0"
     is-typedarray "~1.0.0"
     isstream "~0.1.2"
@@ -1320,7 +1315,7 @@ request@^2.88.0:
     performance-now "^2.1.0"
     qs "~6.5.2"
     safe-buffer "^5.1.2"
-    tough-cookie "~2.4.3"
+    tough-cookie "~2.5.0"
     tunnel-agent "^0.6.0"
     uuid "^3.3.2"
 
@@ -1546,13 +1541,13 @@ to-fast-properties@^2.0.0:
   resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-2.0.0.tgz#dc5e698cbd079265bc73e0377681a4e4e83f616e"
   integrity sha1-3F5pjL0HkmW8c+A3doGk5Og/YW4=
 
-tough-cookie@~2.4.3:
-  version "2.4.3"
-  resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.4.3.tgz#53f36da3f47783b0925afa06ff9f3b165280f781"
-  integrity sha512-Q5srk/4vDM54WJsJio3XNn6K2sCG+CQ8G5Wz6bZhRZoAe/+TxjWB/GlFAnYEbkYVlON9FMk/fE3h2RLpPXo4lQ==
+tough-cookie@~2.5.0:
+  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:
-    psl "^1.1.24"
-    punycode "^1.4.1"
+    psl "^1.1.28"
+    punycode "^2.1.1"
 
 ts-node@^8.0.2:
   version "8.8.1"