diff --git a/sample-app/yarn.lock b/sample-app/yarn.lock
old mode 100755
new mode 100644
index f6b7dd00..0beeed9e
--- a/sample-app/yarn.lock
+++ b/sample-app/yarn.lock
@@ -1825,14 +1825,6 @@ boolbase@^1.0.0, boolbase@~1.0.0:
   resolved "https://registry.yarnpkg.com/boolbase/-/boolbase-1.0.0.tgz#68dff5fbe60c51eb37725ea9e3ed310dcc1e776e"
   integrity sha1-aN/1++YMUes3cl6p4+0xDcwed24=
 
-bootstrap@4.0.0-alpha.6:
-  version "4.0.0-alpha.6"
-  resolved "https://registry.yarnpkg.com/bootstrap/-/bootstrap-4.0.0-alpha.6.tgz#4f54dd33ac0deac3b28407bc2df7ec608869c9c8"
-  integrity sha1-T1TdM6wN6sOyhAe8LffsYIhpycg=
-  dependencies:
-    jquery ">=1.9.1"
-    tether "^1.4.0"
-
 brace-expansion@^1.1.7:
   version "1.1.11"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
@@ -5636,11 +5628,6 @@ joi@^11.1.1:
     isemail "3.x.x"
     topo "2.x.x"
 
-jquery@>=1.9.1:
-  version "3.4.0"
-  resolved "https://registry.yarnpkg.com/jquery/-/jquery-3.4.0.tgz#8de513fa0fa4b2c7d2e48a530e26f0596936efdf"
-  integrity sha512-ggRCXln9zEqv6OqAGXFEcshF5dSBvCkzj6Gm2gzuR5fWawaX8t7cxKVkkygKODrDAzKdoYw3l/e3pm3vlT4IbQ==
-
 js-base64@^2.1.8:
   version "2.5.1"
   resolved "https://registry.yarnpkg.com/js-base64/-/js-base64-2.5.1.tgz#1efa39ef2c5f7980bb1784ade4a8af2de3291121"
@@ -5982,9 +5969,9 @@ lodash.memoize@^4.1.2:
   integrity sha1-vMbEmkKihA7Zl/Mj6tpezRguC/4=
 
 lodash.mergewith@^4.6.0:
-  version "4.6.1"
-  resolved "https://registry.yarnpkg.com/lodash.mergewith/-/lodash.mergewith-4.6.1.tgz#639057e726c3afbdb3e7d42741caa8d6e4335927"
-  integrity sha512-eWw5r+PYICtEBgrBE5hhlT6aAa75f411bgDz/ZL2KZqYV03USvucsxcHUIlGTDTECs1eunpI7HOV7U+WLDvNdQ==
+  version "4.6.2"
+  resolved "https://registry.yarnpkg.com/lodash.mergewith/-/lodash.mergewith-4.6.2.tgz#617121f89ac55f59047c7aec1ccd6654c6590f55"
+  integrity sha512-GK3g5RPZWTRSeLSpgP8Xhra+pnjBC56q9FZYe1d5RN3TJ35dbkGy3YqBSMbyCrlbi+CM9Z3Jk5yTL7RCsqboyQ==
 
 lodash.sortby@^4.7.0:
   version "4.7.0"
@@ -9505,11 +9492,6 @@ test-exclude@^4.2.1:
     read-pkg-up "^1.0.1"
     require-main-filename "^1.0.1"
 
-tether@^1.4.0:
-  version "1.4.5"
-  resolved "https://registry.yarnpkg.com/tether/-/tether-1.4.5.tgz#8efd7b35572767ba502259ba9b1cc167fcf6f2c1"
-  integrity sha512-fysT1Gug2wbRi7a6waeu39yVDwiNtvwj5m9eRD+qZDSHKNghLo6KqP/U3yM2ap6TNUL2skjXGJaJJTJqoC31vw==
-
 text-table@0.2.0, text-table@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz#7f5ee823ae805207c00af2df4a84ec3fcfa570b4"