diff --git a/examples/simple/yarn.lock b/examples/simple/yarn.lock
index 0722593..0ca4c72 100644
--- a/examples/simple/yarn.lock
+++ b/examples/simple/yarn.lock
@@ -1305,10 +1305,10 @@ base@^0.11.1:
     pascalcase "^0.1.1"
 
 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 "1.0.1"
@@ -1756,7 +1756,7 @@ denodeify@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/denodeify/-/denodeify-1.2.1.tgz#3a36287f5034e699e7577901052c2e6c94251631"
 
-depd@~1.1.1, depd@~1.1.2:
+depd@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
 
@@ -3596,12 +3596,12 @@ mkdirp@^0.5.0, mkdirp@^0.5.1:
     minimist "0.0.8"
 
 morgan@^1.9.0:
-  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"
 
@@ -3806,8 +3806,8 @@ 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@^1.4.0:
   version "1.4.0"
@@ -4478,6 +4478,10 @@ 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-buffer@~5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.0.1.tgz#d263ca54696cd8a306b5ca6551e92de57918fbe7"