diff --git a/src/appengine/yarn.lock b/src/appengine/yarn.lock
index 3856651..a871fd8 100644
--- a/src/appengine/yarn.lock
+++ b/src/appengine/yarn.lock
@@ -174,7 +174,7 @@ async-each@^1.0.1:
 
 axios@^0.18.0:
   version "0.18.0"
-  resolved "http://registry.npmjs.org/axios/-/axios-0.18.0.tgz#32d53e4851efdc0a11993b6cd000789d70c05102"
+  resolved "https://registry.npmjs.org/axios/-/axios-0.18.0.tgz#32d53e4851efdc0a11993b6cd000789d70c05102"
   dependencies:
     follow-redirects "^1.3.0"
     is-buffer "^1.1.5"
@@ -352,7 +352,7 @@ es6-promise@^4.0.3:
 
 es6-promisify@^5.0.0:
   version "5.0.0"
-  resolved "http://registry.npmjs.org/es6-promisify/-/es6-promisify-5.0.0.tgz#5109d62f3e56ea967c4b63505aef08291c8a5203"
+  resolved "https://registry.npmjs.org/es6-promisify/-/es6-promisify-5.0.0.tgz#5109d62f3e56ea967c4b63505aef08291c8a5203"
   dependencies:
     es6-promise "^4.0.3"
 
@@ -405,7 +405,7 @@ extend@^3.0.1:
 
 finalhandler@1.1.1:
   version "1.1.1"
-  resolved "http://registry.npmjs.org/finalhandler/-/finalhandler-1.1.1.tgz#eebf4ed840079c83f4249038c9d703008301b105"
+  resolved "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.1.tgz#eebf4ed840079c83f4249038c9d703008301b105"
   dependencies:
     debug "2.6.9"
     encodeurl "~1.0.2"
@@ -504,7 +504,7 @@ google-gax@^0.22.0:
 
 google-p12-pem@^1.0.0:
   version "1.0.2"
-  resolved "http://registry.npmjs.org/google-p12-pem/-/google-p12-pem-1.0.2.tgz#c8a3843504012283a0dbffc7430b7c753ecd4b07"
+  resolved "https://registry.npmjs.org/google-p12-pem/-/google-p12-pem-1.0.2.tgz#c8a3843504012283a0dbffc7430b7c753ecd4b07"
   dependencies:
     node-forge "^0.7.4"
     pify "^3.0.0"
@@ -527,7 +527,7 @@ grpc@^1.16.0:
 
 gtoken@^2.3.0:
   version "2.3.0"
-  resolved "http://registry.npmjs.org/gtoken/-/gtoken-2.3.0.tgz#4e0ffc16432d7041a1b3dbc1d97aac17a5dc964a"
+  resolved "https://registry.npmjs.org/gtoken/-/gtoken-2.3.0.tgz#4e0ffc16432d7041a1b3dbc1d97aac17a5dc964a"
   dependencies:
     axios "^0.18.0"
     google-p12-pem "^1.0.0"
@@ -541,7 +541,7 @@ has-unicode@^2.0.0:
 
 http-errors@1.6.3, http-errors@~1.6.2, http-errors@~1.6.3:
   version "1.6.3"
-  resolved "http://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz#8b55680bb4be283a0b5bf4ea2e38580be1d9320d"
+  resolved "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz#8b55680bb4be283a0b5bf4ea2e38580be1d9320d"
   dependencies:
     depd "~1.1.2"
     inherits "2.0.3"
@@ -668,8 +668,8 @@ lodash.snakecase@^4.1.1:
   resolved "https://registry.yarnpkg.com/lodash.snakecase/-/lodash.snakecase-4.1.1.tgz#39d714a35357147837aefd64b5dcbb16becd8f8d"
 
 lodash@^4.17.4, lodash@^4.17.5:
-  version "4.17.11"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
+  version "4.17.15"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
 
 long@^4.0.0:
   version "4.0.0"
@@ -688,7 +688,7 @@ lru-cache@^4.1.3:
 
 media-typer@0.3.0:
   version "0.3.0"
-  resolved "http://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
+  resolved "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
 
 merge-descriptors@1.0.1:
   version "1.0.1"
@@ -724,11 +724,11 @@ minimatch@^3.0.4:
 
 minimist@0.0.8:
   version "0.0.8"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
 minimist@^1.2.0:
   version "1.2.0"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
 minipass@^2.2.1, minipass@^2.3.4:
   version "2.3.5"
@@ -745,7 +745,7 @@ minizlib@^1.1.1:
 
 mkdirp@^0.5.0, mkdirp@^0.5.1:
   version "0.5.1"
-  resolved "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  resolved "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   dependencies:
     minimist "0.0.8"
 
@@ -845,17 +845,17 @@ optjs@~3.2.2:
 
 os-homedir@^1.0.0:
   version "1.0.2"
-  resolved "http://registry.npmjs.org/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
+  resolved "https://registry.npmjs.org/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
 
 os-locale@^1.4.0:
   version "1.4.0"
-  resolved "http://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz#20f9f17ae29ed345e8bde583b13d2009803c14d9"
+  resolved "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz#20f9f17ae29ed345e8bde583b13d2009803c14d9"
   dependencies:
     lcid "^1.0.0"
 
 os-tmpdir@^1.0.0:
   version "1.0.2"
-  resolved "http://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
+  resolved "https://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
 
 osenv@^0.1.4:
   version "0.1.5"
@@ -870,7 +870,7 @@ parseurl@~1.3.2:
 
 path-is-absolute@^1.0.0:
   version "1.0.1"
-  resolved "http://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
+  resolved "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
 
 path-to-regexp@0.1.7:
   version "0.1.7"
@@ -958,7 +958,7 @@ rc@^1.2.7:
 
 readable-stream@^2.0.0, readable-stream@^2.0.6, readable-stream@~2.3.6:
   version "2.3.6"
-  resolved "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
+  resolved "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
   dependencies:
     core-util-is "~1.0.0"
     inherits "~2.0.3"
@@ -1086,13 +1086,13 @@ string_decoder@^1.1.1:
 
 string_decoder@~1.1.1:
   version "1.1.1"
-  resolved "http://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
+  resolved "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
   dependencies:
     safe-buffer "~5.1.0"
 
 strip-ansi@^3.0.0, strip-ansi@^3.0.1:
   version "3.0.1"
-  resolved "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz#6a385fb8853d952d5ff05d0e8aaf94278dc63dcf"
+  resolved "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz#6a385fb8853d952d5ff05d0e8aaf94278dc63dcf"
   dependencies:
     ansi-regex "^2.0.0"
 
@@ -1179,7 +1179,7 @@ window-size@^0.1.4:
 
 wrap-ansi@^2.0.0:
   version "2.1.0"
-  resolved "http://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
+  resolved "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
   dependencies:
     string-width "^1.0.1"
     strip-ansi "^3.0.1"
@@ -1206,7 +1206,7 @@ yallist@^3.0.0, yallist@^3.0.2:
 
 yargs@^3.10.0:
   version "3.32.0"
-  resolved "http://registry.npmjs.org/yargs/-/yargs-3.32.0.tgz#03088e9ebf9e756b69751611d2a5ef591482c995"
+  resolved "https://registry.npmjs.org/yargs/-/yargs-3.32.0.tgz#03088e9ebf9e756b69751611d2a5ef591482c995"
   dependencies:
     camelcase "^2.0.1"
     cliui "^3.0.3"