diff --git a/backend/yarn.lock b/backend/yarn.lock
index fa8857a..2c18b74 100644
--- a/backend/yarn.lock
+++ b/backend/yarn.lock
@@ -1771,16 +1771,17 @@ error-ex@^1.3.1:
   dependencies:
     is-arrayish "^0.2.1"
 
-es5-ext@^0.10.35, es5-ext@^0.10.50, es5-ext@~0.10.14:
-  version "0.10.53"
-  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.53.tgz#93c5a3acfdbef275220ad72644ad02ee18368de1"
-  integrity sha512-Xs2Stw6NiNHWypzRTY1MtaG/uJlwCk8kH81920ma8mvN8Xq1gsfhZvpkImLQArw8AHnv8MT2I45J3c0R8slE+Q==
+es5-ext@^0.10.35, es5-ext@^0.10.50, es5-ext@^0.10.62, es5-ext@~0.10.14:
+  version "0.10.63"
+  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.63.tgz#9c222a63b6a332ac80b1e373b426af723b895bd6"
+  integrity sha512-hUCZd2Byj/mNKjfP9jXrdVZ62B8KuA/VoK7X8nUh5qT+AxDmcbvZz041oDVZdbIN1qW6XY9VDNwzkvKnZvK2TQ==
   dependencies:
-    es6-iterator "~2.0.3"
-    es6-symbol "~3.1.3"
-    next-tick "~1.0.0"
+    es6-iterator "^2.0.3"
+    es6-symbol "^3.1.3"
+    esniff "^2.0.1"
+    next-tick "^1.1.0"
 
-es6-iterator@~2.0.1, es6-iterator@~2.0.3:
+es6-iterator@^2.0.3, es6-iterator@~2.0.1:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/es6-iterator/-/es6-iterator-2.0.3.tgz#a7de889141a05a94b0854403b2d0a0fbfa98f3b7"
   integrity sha1-p96IkUGgWpSwhUQDstCg+/qY87c=
@@ -1832,7 +1833,7 @@ es6-symbol@3.1.1:
     d "1"
     es5-ext "~0.10.14"
 
-es6-symbol@^3.1.1, es6-symbol@~3.1.1, es6-symbol@~3.1.3:
+es6-symbol@^3.1.1, es6-symbol@^3.1.3, es6-symbol@~3.1.1:
   version "3.1.3"
   resolved "https://registry.yarnpkg.com/es6-symbol/-/es6-symbol-3.1.3.tgz#bad5d3c1bcdac28269f4cb331e431c78ac705d18"
   integrity sha512-NJ6Yn3FuDinBaBRWl/q5X/s4koRHBrgKAu+yGI6JCBeiu3qrcbJhwT2GeR/EXVfylRk8dpQVJoLEFhK+Mu31NA==
@@ -1890,6 +1891,16 @@ escodegen@~1.2.0:
   optionalDependencies:
     source-map "~0.1.30"
 
+esniff@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/esniff/-/esniff-2.0.1.tgz#a4d4b43a5c71c7ec51c51098c1d8a29081f9b308"
+  integrity sha512-kTUIGKQ/mDPFoJ0oVfcmyJn4iBDRptjNVIzwIFR7tqWXdVI9xfA2RMwY/gbSpJG3lkdWNEjLap/NqVHZiJsdfg==
+  dependencies:
+    d "^1.0.1"
+    es5-ext "^0.10.62"
+    event-emitter "^0.3.5"
+    type "^2.7.2"
+
 esprima@^4.0.0, esprima@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.1.tgz#13b04cdb3e6c5d19df91ab6987a8695619b0aa71"
@@ -1930,7 +1941,7 @@ esutils@~1.0.0:
   resolved "https://registry.yarnpkg.com/esutils/-/esutils-1.0.0.tgz#8151d358e20c8acc7fb745e7472c0025fe496570"
   integrity sha1-gVHTWOIMisx/t0XnRywAJf5JZXA=
 
-event-emitter@~0.3.5:
+event-emitter@^0.3.5, event-emitter@~0.3.5:
   version "0.3.5"
   resolved "https://registry.yarnpkg.com/event-emitter/-/event-emitter-0.3.5.tgz#df8c69eef1647923c7157b9ce83840610b02cc39"
   integrity sha1-34xp7vFkeSPHFXuc6DhAYQsCzDk=
@@ -3423,10 +3434,10 @@ natural-compare@^1.4.0:
   resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
   integrity sha1-Sr6/7tdUHywnrPspvbvRXI1bpPc=
 
-next-tick@~1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/next-tick/-/next-tick-1.0.0.tgz#ca86d1fe8828169b0120208e3dc8424b9db8342c"
-  integrity sha1-yobR/ogoFpsBICCOPchCS524NCw=
+next-tick@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/next-tick/-/next-tick-1.1.0.tgz#1836ee30ad56d67ef281b22bd199f709449b35eb"
+  integrity sha512-CXdUiJembsNjuToQvxayPZF9Vqht7hewsvy2sOWafLvi2awflj9mOC6bHIg50orX8IJvWKY9wYQ/zB2kogPslQ==
 
 nice-try@^1.0.4:
   version "1.0.5"
@@ -4654,6 +4665,11 @@ type@^2.0.0:
   resolved "https://registry.yarnpkg.com/type/-/type-2.5.0.tgz#0a2e78c2e77907b252abe5f298c1b01c63f0db3d"
   integrity sha512-180WMDQaIMm3+7hGXWf12GtdniDEy7nYcyFMKJn/eZz/6tSLXrUN9V0wKSbMjej0I1WHWbpREDEKHtqPQa9NNw==
 
+type@^2.7.2:
+  version "2.7.2"
+  resolved "https://registry.yarnpkg.com/type/-/type-2.7.2.tgz#2376a15a3a28b1efa0f5350dcf72d24df6ef98d0"
+  integrity sha512-dzlvlNlt6AXU7EBSfpAscydQ7gXB+pPGsPnfJnZpiNJBDj7IaJzQlBZYGdEi4R9HmPdBv2XmWJ6YUtoTa7lmCw==
+
 typed-rest-client@1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/typed-rest-client/-/typed-rest-client-1.2.0.tgz#723085d203f38d7d147271e5ed3a75488eb44a02"