diff --git a/yarn.lock b/yarn.lock
index 298c9d6..ec14f03 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -841,10 +841,10 @@ base64id@0.1.0:
   resolved "https://registry.yarnpkg.com/base64id/-/base64id-0.1.0.tgz#02ce0fdeee0cef4f40080e1e73e834f0b1bfce3f"
 
 basic-auth@~2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/basic-auth/-/basic-auth-2.0.0.tgz#015db3f353e02e56377755f962742e8981e7bbba"
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/basic-auth/-/basic-auth-2.0.1.tgz#b998279bf47ce38344b4f3cf916d4679bbf51e3a"
   dependencies:
-    safe-buffer "5.1.1"
+    safe-buffer "5.1.2"
 
 bcrypt-pbkdf@^1.0.0:
   version "1.0.2"
@@ -1831,10 +1831,14 @@ delegates@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/delegates/-/delegates-1.0.0.tgz#84c6e159b81904fdca59a0ef44cd870d31250f9a"
 
-depd@1.1.1, depd@~1.1.1:
+depd@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.1.tgz#5783b4e1c459f06fa5ca27f991f3d06e7a310359"
 
+depd@~1.1.1, depd@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
+
 destroy@~1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
@@ -4392,12 +4396,12 @@ moment-timezone@^0.3.0:
   resolved "https://registry.yarnpkg.com/moment/-/moment-2.19.2.tgz#8a7f774c95a64550b4c7ebd496683908f9419dbe"
 
 morgan@^1.8.1:
-  version "1.9.0"
-  resolved "https://registry.yarnpkg.com/morgan/-/morgan-1.9.0.tgz#d01fa6c65859b76fcf31b3cb53a3821a311d8051"
+  version "1.9.1"
+  resolved "https://registry.yarnpkg.com/morgan/-/morgan-1.9.1.tgz#0a8d16734a1d9afbc824b99df87e738e58e2da59"
   dependencies:
     basic-auth "~2.0.0"
     debug "2.6.9"
-    depd "~1.1.1"
+    depd "~1.1.2"
     on-finished "~2.3.0"
     on-headers "~1.0.1"
 
@@ -4741,8 +4745,8 @@ on-finished@~2.3.0:
     ee-first "1.1.1"
 
 on-headers@~1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/on-headers/-/on-headers-1.0.1.tgz#928f5d0f470d49342651ea6794b0857c100693f7"
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/on-headers/-/on-headers-1.0.2.tgz#772b0ae6aaa525c399e489adfad90c403eb3c28f"
 
 once@^1.3.0, once@^1.3.3:
   version "1.4.0"
@@ -5447,6 +5451,10 @@ safe-buffer@5.1.1, safe-buffer@^5.0.1, safe-buffer@^5.1.1, safe-buffer@~5.1.0, s
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
 
+safe-buffer@5.1.2:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
+
 safe-json-parse@~1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/safe-json-parse/-/safe-json-parse-1.0.1.tgz#3e76723e38dfdda13c9b1d29a1e07ffee4b30b57"