diff --git a/backend/package.json b/backend/package.json
index 57f14b935..d6a285737 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -55,7 +55,7 @@
     "graphql-custom-directives": "~0.2.14",
     "graphql-iso-date": "~3.6.1",
     "graphql-middleware": "~3.0.2",
-    "graphql-shield": "~5.3.0",
+    "graphql-shield": "~5.3.1",
     "graphql-tag": "~2.10.1",
     "graphql-yoga": "~1.17.4",
     "helmet": "~3.15.1",
diff --git a/backend/yarn.lock b/backend/yarn.lock
index 28092be90..662317d6e 100644
--- a/backend/yarn.lock
+++ b/backend/yarn.lock
@@ -713,12 +713,12 @@
     pirates "^4.0.0"
     source-map-support "^0.5.9"
 
-"@babel/runtime@7.0.0":
-  version "7.0.0"
-  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.0.0.tgz#adeb78fedfc855aa05bc041640f3f6f98e85424c"
-  integrity sha512-7hGhzlcmg01CvH1EHdSPVXYX1aJ8KCEyz6I9xYIi/asDtzBPMyMhVibhM/K6g/5qnKBwjZtp10bNZIEFTRW1MA==
+"@babel/runtime@^7.0.0":
+  version "7.4.2"
+  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.4.2.tgz#f5ab6897320f16decd855eed70b705908a313fe8"
+  integrity sha512-7Bl2rALb7HpvXFL7TETNzKSAeBVCPHELzc0C//9FCxN8nsiueWSJBqaF+2oIJScyILStASR/Cx5WMkXGYTiJFA==
   dependencies:
-    regenerator-runtime "^0.12.0"
+    regenerator-runtime "^0.13.2"
 
 "@babel/template@^7.0.0", "@babel/template@^7.1.0", "@babel/template@^7.1.2", "@babel/template@^7.2.2":
   version "7.2.2"
@@ -3811,14 +3811,14 @@ graphql-request@~1.8.2:
   dependencies:
     cross-fetch "2.2.2"
 
-graphql-shield@~5.3.0:
-  version "5.3.0"
-  resolved "https://registry.yarnpkg.com/graphql-shield/-/graphql-shield-5.3.0.tgz#095bdaa383025785e11e60ff55bf470015b15f9a"
-  integrity sha512-gPxOamyCgez0KgG9WcxoEa0vohsZz4yQw+vKwmnGJbYg9+1yR9CN3DYDA7EwaQcpRHEhRXClAzDvbdM3I+KZOw==
+graphql-shield@~5.3.1:
+  version "5.3.1"
+  resolved "https://registry.yarnpkg.com/graphql-shield/-/graphql-shield-5.3.1.tgz#34cff4d1bfdcc3caa6fc348afb11503dde1893cd"
+  integrity sha512-vVJ7rjkR7miWi/Zspr7/ibmtdL2gEHagCtpsJY534DyRE70r+PurCp2kR/e1fZhb4JdmTYCS+sokyYfH974/+w==
   dependencies:
     lightercollective "^0.2.0"
     object-hash "^1.3.1"
-    yup "^0.26.10"
+    yup "^0.27.0"
 
 graphql-subscriptions@^0.5.8:
   version "0.5.8"
@@ -6639,6 +6639,11 @@ regenerator-runtime@^0.12.0:
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.12.1.tgz#fa1a71544764c036f8c49b13a08b2594c9f8a0de"
   integrity sha512-odxIc1/vDlo4iZcfXqRYFj0vpXFNoGdKMAUieAlFYO6m/nl5e9KR/beGf41z4a1FI+aQgtjhuaSlDxQ0hmkrHg==
 
+regenerator-runtime@^0.13.2:
+  version "0.13.2"
+  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.13.2.tgz#32e59c9a6fb9b1a4aff09b4930ca2d4477343447"
+  integrity sha512-S/TQAZJO+D3m9xeN1WTI8dLKBBiRgXBlTJvbWjCThHWZj9EvHK70Ff50/tYj2J/fvBY6JtFVwRuazHN2E7M9BA==
+
 regenerator-transform@^0.13.4:
   version "0.13.4"
   resolved "https://registry.yarnpkg.com/regenerator-transform/-/regenerator-transform-0.13.4.tgz#18f6763cf1382c69c36df76c6ce122cc694284fb"
@@ -7469,7 +7474,7 @@ symbol-tree@^3.2.2:
   resolved "https://registry.yarnpkg.com/symbol-tree/-/symbol-tree-3.2.2.tgz#ae27db38f660a7ae2e1c3b7d1bc290819b8519e6"
   integrity sha1-rifbOPZgp64uHDt9G8KQgZuFGeY=
 
-synchronous-promise@^2.0.5:
+synchronous-promise@^2.0.6:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/synchronous-promise/-/synchronous-promise-2.0.6.tgz#de76e0ea2b3558c1e673942e47e714a930fa64aa"
   integrity sha512-TyOuWLwkmtPL49LHCX1caIwHjRzcVd62+GF6h8W/jHOeZUFHpnd2XJDVuUlaTaLPH1nuu2M69mfHr5XbQJnf/g==
@@ -8240,16 +8245,16 @@ yargs@^12.0.2, yargs@^12.0.5:
     y18n "^3.2.1 || ^4.0.0"
     yargs-parser "^11.1.1"
 
-yup@^0.26.10:
-  version "0.26.10"
-  resolved "https://registry.yarnpkg.com/yup/-/yup-0.26.10.tgz#3545839663289038faf25facfc07e11fd67c0cb1"
-  integrity sha512-keuNEbNSnsOTOuGCt3UJW69jDE3O4P+UHAakO7vSeFMnjaitcmlbij/a3oNb9g1Y1KvSKH/7O1R2PQ4m4TRylw==
+yup@^0.27.0:
+  version "0.27.0"
+  resolved "https://registry.yarnpkg.com/yup/-/yup-0.27.0.tgz#f8cb198c8e7dd2124beddc2457571329096b06e7"
+  integrity sha512-v1yFnE4+u9za42gG/b/081E7uNW9mUj3qtkmelLbW5YPROZzSH/KUUyJu9Wt8vxFJcT9otL/eZopS0YK1L5yPQ==
   dependencies:
-    "@babel/runtime" "7.0.0"
+    "@babel/runtime" "^7.0.0"
     fn-name "~2.0.1"
-    lodash "^4.17.10"
+    lodash "^4.17.11"
     property-expr "^1.5.0"
-    synchronous-promise "^2.0.5"
+    synchronous-promise "^2.0.6"
     toposort "^2.0.2"
 
 zen-observable-ts@^0.8.18: