diff --git a/package.json b/package.json
index 22a5aa2..29cabb7 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "json-stable-stringify": "^1.0.1",
     "jsts": "^1.3.0",
     "lodash": "^4.17.21",
-    "morgan": "^1.7.0",
+    "morgan": "^1.9.1",
     "polyline": "^0.2.0",
     "prop-types": "^15.5.8",
     "qs": "^6.4.0",
diff --git a/yarn.lock b/yarn.lock
index 0429cbe..feb1198 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -571,9 +571,12 @@ base@^0.11.1:
     mixin-deep "^1.2.0"
     pascalcase "^0.1.1"
 
-basic-auth@~1.0.3:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/basic-auth/-/basic-auth-1.0.4.tgz#030935b01de7c9b94a824b29f3fccb750d3a5290"
+basic-auth@~2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/basic-auth/-/basic-auth-2.0.1.tgz#b998279bf47ce38344b4f3cf916d4679bbf51e3a"
+  integrity sha512-NF+epuEdnUYVlGuhaxbbq+dvJttwLnGY+YixlXlME5KpQ5W3CnXA5cVTneY3SPbPDRkcjMbifrwmFYcClgOZeg==
+  dependencies:
+    safe-buffer "5.1.2"
 
 bcrypt-pbkdf@^1.0.0:
   version "1.0.2"
@@ -1271,11 +1274,7 @@ delayed-stream@~1.0.0:
   resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
   integrity sha1-3zrhmayt+31ECqrgsp4icrJOxhk=
 
-depd@~1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.0.tgz#e1bd82c6aab6ced965b97b88b17ed3e528ca18c3"
-
-depd@~1.1.2:
+depd@~1.1.0, depd@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
   integrity sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=
@@ -2682,13 +2681,14 @@ mocha@^3.0.0:
     mkdirp "0.5.1"
     supports-color "3.1.2"
 
-morgan@^1.7.0:
-  version "1.7.0"
-  resolved "https://registry.yarnpkg.com/morgan/-/morgan-1.7.0.tgz#eb10ca8e50d1abe0f8d3dad5c0201d052d981c62"
+morgan@^1.9.1:
+  version "1.9.1"
+  resolved "https://registry.yarnpkg.com/morgan/-/morgan-1.9.1.tgz#0a8d16734a1d9afbc824b99df87e738e58e2da59"
+  integrity sha512-HQStPIV4y3afTiCYVxirakhlCfGkI161c76kKFca7Fk1JusM//Qeo1ej2XaMniiNeaZklMVrh3vTtIzpzwbpmA==
   dependencies:
-    basic-auth "~1.0.3"
-    debug "~2.2.0"
-    depd "~1.1.0"
+    basic-auth "~2.0.0"
+    debug "2.6.9"
+    depd "~1.1.2"
     on-finished "~2.3.0"
     on-headers "~1.0.1"
 
@@ -3362,16 +3362,16 @@ run-queue@^1.0.0, run-queue@^1.0.3:
   dependencies:
     aproba "^1.1.1"
 
+safe-buffer@5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
+  integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
+
 safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@^5.2.0, safe-buffer@~5.2.0:
   version "5.2.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
   integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
 
-safe-buffer@~5.1.0, safe-buffer@~5.1.1:
-  version "5.1.2"
-  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
-  integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
-
 safe-regex@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/safe-regex/-/safe-regex-1.1.0.tgz#40a3669f3b077d1e943d44629e157dd48023bf2e"