diff --git a/backend/package.json b/backend/package.json
index f82d91dc0..885b78c01 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -84,7 +84,7 @@
   },
   "devDependencies": {
     "@babel/cli": "~7.5.0",
-    "@babel/core": "~7.5.4",
+    "@babel/core": "~7.5.5",
     "@babel/node": "~7.5.5",
     "@babel/plugin-proposal-throw-expressions": "^7.2.0",
     "@babel/preset-env": "~7.5.5",
diff --git a/backend/yarn.lock b/backend/yarn.lock
index ac4de5313..ef45d8dd4 100644
--- a/backend/yarn.lock
+++ b/backend/yarn.lock
@@ -31,52 +31,34 @@
   optionalDependencies:
     chokidar "^2.0.4"
 
-"@babel/code-frame@^7.0.0":
-  version "7.0.0"
-  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.0.0.tgz#06e2ab19bdb535385559aabb5ba59729482800f8"
-  integrity sha512-OfC2uemaknXr87bdLUkWog7nYuliM9Ij5HUcajsVcMCpQrcLmtxRbVFTIqmcSkSeYRBFBRxs2FiUqFJDLdiebA==
-  dependencies:
-    "@babel/highlight" "^7.0.0"
-
-"@babel/code-frame@^7.5.5":
+"@babel/code-frame@^7.0.0", "@babel/code-frame@^7.5.5":
   version "7.5.5"
   resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.5.5.tgz#bc0782f6d69f7b7d49531219699b988f669a8f9d"
   integrity sha512-27d4lZoomVyo51VegxI20xZPuSHusqbQag/ztrBC7wegWoQ1nLREPVSKSW8byhTlzTKyNE4ifaTA6lCp7JjpFw==
   dependencies:
     "@babel/highlight" "^7.0.0"
 
-"@babel/core@^7.1.0", "@babel/core@~7.5.4":
-  version "7.5.4"
-  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.5.4.tgz#4c32df7ad5a58e9ea27ad025c11276324e0b4ddd"
-  integrity sha512-+DaeBEpYq6b2+ZmHx3tHspC+ZRflrvLqwfv8E3hNr5LVQoyBnL8RPKSBCg+rK2W2My9PWlujBiqd0ZPsR9Q6zQ==
+"@babel/core@^7.1.0", "@babel/core@~7.5.5":
+  version "7.5.5"
+  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.5.5.tgz#17b2686ef0d6bc58f963dddd68ab669755582c30"
+  integrity sha512-i4qoSr2KTtce0DmkuuQBV4AuQgGPUcPXMr9L5MyYAtk06z068lQ10a4O009fe5OB/DfNV+h+qqT7ddNV8UnRjg==
   dependencies:
-    "@babel/code-frame" "^7.0.0"
-    "@babel/generator" "^7.5.0"
-    "@babel/helpers" "^7.5.4"
-    "@babel/parser" "^7.5.0"
+    "@babel/code-frame" "^7.5.5"
+    "@babel/generator" "^7.5.5"
+    "@babel/helpers" "^7.5.5"
+    "@babel/parser" "^7.5.5"
     "@babel/template" "^7.4.4"
-    "@babel/traverse" "^7.5.0"
-    "@babel/types" "^7.5.0"
+    "@babel/traverse" "^7.5.5"
+    "@babel/types" "^7.5.5"
     convert-source-map "^1.1.0"
     debug "^4.1.0"
     json5 "^2.1.0"
-    lodash "^4.17.11"
+    lodash "^4.17.13"
     resolve "^1.3.2"
     semver "^5.4.1"
     source-map "^0.5.0"
 
-"@babel/generator@^7.0.0", "@babel/generator@^7.5.0":
-  version "7.5.0"
-  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.5.0.tgz#f20e4b7a91750ee8b63656073d843d2a736dca4a"
-  integrity sha512-1TTVrt7J9rcG5PMjvO7VEG3FrEoEJNHxumRq66GemPmzboLWtIjjcJgk8rokuAS7IiRSpgVSu5Vb9lc99iJkOA==
-  dependencies:
-    "@babel/types" "^7.5.0"
-    jsesc "^2.5.1"
-    lodash "^4.17.11"
-    source-map "^0.5.0"
-    trim-right "^1.0.1"
-
-"@babel/generator@^7.5.5":
+"@babel/generator@^7.0.0", "@babel/generator@^7.5.5":
   version "7.5.5"
   resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.5.5.tgz#873a7f936a3c89491b43536d12245b626664e3cf"
   integrity sha512-ETI/4vyTSxTzGnU2c49XHv2zhExkv9JHLTwDAFz85kmcwuShvYG2H08FwgIguQf4JC75CBnXAUM5PqeF4fj0nQ==
@@ -268,14 +250,14 @@
     "@babel/traverse" "^7.1.0"
     "@babel/types" "^7.2.0"
 
-"@babel/helpers@^7.5.4":
-  version "7.5.4"
-  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.5.4.tgz#2f00608aa10d460bde0ccf665d6dcf8477357cf0"
-  integrity sha512-6LJ6xwUEJP51w0sIgKyfvFMJvIb9mWAfohJp0+m6eHJigkFdcH8duZ1sfhn0ltJRzwUIT/yqqhdSfRpCpL7oow==
+"@babel/helpers@^7.5.5":
+  version "7.5.5"
+  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.5.5.tgz#63908d2a73942229d1e6685bc2a0e730dde3b75e"
+  integrity sha512-nRq2BUhxZFnfEn/ciJuhklHvFOqjJUD5wpx+1bxUF2axL9C+v4DE/dmp5sT2dKnpOs4orZWzpAZqlCy8QqE/7g==
   dependencies:
     "@babel/template" "^7.4.4"
-    "@babel/traverse" "^7.5.0"
-    "@babel/types" "^7.5.0"
+    "@babel/traverse" "^7.5.5"
+    "@babel/types" "^7.5.5"
 
 "@babel/highlight@^7.0.0":
   version "7.0.0"
@@ -298,12 +280,7 @@
     node-environment-flags "^1.0.5"
     v8flags "^3.1.1"
 
-"@babel/parser@^7.0.0", "@babel/parser@^7.1.0", "@babel/parser@^7.4.4", "@babel/parser@^7.5.0":
-  version "7.5.0"
-  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.5.0.tgz#3e0713dff89ad6ae37faec3b29dcfc5c979770b7"
-  integrity sha512-I5nW8AhGpOXGCCNYGc+p7ExQIBxRFnS2fd/d862bNOKvmoEPjYPcfIjsfdy0ujagYOIYPczKgD9l3FsgTkAzKA==
-
-"@babel/parser@^7.5.5":
+"@babel/parser@^7.0.0", "@babel/parser@^7.1.0", "@babel/parser@^7.4.4", "@babel/parser@^7.5.5":
   version "7.5.5"
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.5.5.tgz#02f077ac8817d3df4a832ef59de67565e71cca4b"
   integrity sha512-E5BN68cqR7dhKan1SfqgPGhQ178bkVKpXTPEXnFJBrEt8/DKRZlybmy+IgYLTeN7tp1R5Ccmbm2rBk17sHYU3g==
@@ -753,22 +730,7 @@
     "@babel/parser" "^7.4.4"
     "@babel/types" "^7.4.4"
 
-"@babel/traverse@^7.0.0", "@babel/traverse@^7.1.0", "@babel/traverse@^7.4.4", "@babel/traverse@^7.5.0":
-  version "7.5.0"
-  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.5.0.tgz#4216d6586854ef5c3c4592dab56ec7eb78485485"
-  integrity sha512-SnA9aLbyOCcnnbQEGwdfBggnc142h/rbqqsXcaATj2hZcegCl903pUD/lfpsNBlBSuWow/YDfRyJuWi2EPR5cg==
-  dependencies:
-    "@babel/code-frame" "^7.0.0"
-    "@babel/generator" "^7.5.0"
-    "@babel/helper-function-name" "^7.1.0"
-    "@babel/helper-split-export-declaration" "^7.4.4"
-    "@babel/parser" "^7.5.0"
-    "@babel/types" "^7.5.0"
-    debug "^4.1.0"
-    globals "^11.1.0"
-    lodash "^4.17.11"
-
-"@babel/traverse@^7.5.5":
+"@babel/traverse@^7.0.0", "@babel/traverse@^7.1.0", "@babel/traverse@^7.4.4", "@babel/traverse@^7.5.5":
   version "7.5.5"
   resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.5.5.tgz#f664f8f368ed32988cd648da9f72d5ca70f165bb"
   integrity sha512-MqB0782whsfffYfSjH4TM+LMjrJnhCNEDMDIjeTpl+ASaUvxcjoiVCo/sM1GhS1pHOXYfWVCYneLjMckuUxDaQ==
@@ -783,7 +745,7 @@
     globals "^11.1.0"
     lodash "^4.17.13"
 
-"@babel/types@^7.0.0", "@babel/types@^7.2.0", "@babel/types@^7.3.0", "@babel/types@^7.4.4", "@babel/types@^7.5.0", "@babel/types@^7.5.5":
+"@babel/types@^7.0.0", "@babel/types@^7.2.0", "@babel/types@^7.3.0", "@babel/types@^7.4.4", "@babel/types@^7.5.5":
   version "7.5.5"
   resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.5.5.tgz#97b9f728e182785909aa4ab56264f090a028d18a"
   integrity sha512-s63F9nJioLqOlW3UkyMd+BYhXt44YuaFm/VV0VwuteqjYwRrObkU7ra9pY4wAJR3oXi8hJrMcrcJdO/HH33vtw==