diff --git a/package.json b/package.json
index f68978f..986c1a2 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "express": "^4.16.4",
     "graphql": "^0.13.2",
     "graphql-server-express": "^1.4.0",
-    "graphql-tools": "^4.0.3",
+    "graphql-tools": "^5.0.0",
     "helmet": "^3.14.0"
   },
   "jest": {
diff --git a/yarn.lock b/yarn.lock
index fce2a93..b7530a3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -16,6 +16,13 @@
     esutils "^2.0.2"
     js-tokens "^3.0.0"
 
+"@babel/runtime@^7.9.2":
+  version "7.9.2"
+  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.9.2.tgz#d90df0583a3a252f09aaa619665367bae518db06"
+  integrity sha512-NE2DtOdufG7R5vnfQUTehdTfNycfUANEtCa9PssN9O/xmTzP4E08UI797ixaei6hBEVL9BI/PsdJS5x7mWoB9Q==
+  dependencies:
+    regenerator-runtime "^0.13.4"
+
 "@types/body-parser@*", "@types/body-parser@^1.16.4":
   version "1.17.0"
   resolved "https://registry.yarnpkg.com/@types/body-parser/-/body-parser-1.17.0.tgz#9f5c9d9bd04bb54be32d5eb9fc0d8c974e6cf58c"
@@ -112,6 +119,13 @@
   dependencies:
     "@types/superagent" "*"
 
+"@wry/equality@^0.1.2":
+  version "0.1.11"
+  resolved "https://registry.yarnpkg.com/@wry/equality/-/equality-0.1.11.tgz#35cb156e4a96695aa81a9ecc4d03787bc17f1790"
+  integrity sha512-mwEVBDUVODlsQQ5dfuLUS5/Tf7jqUKyhKYHmVi4fPB6bDMOfWvUPJmKgS1Z7Za/sOI3vzWt4+O7yCiL/70MogA==
+  dependencies:
+    tslib "^1.9.3"
+
 abab@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/abab/-/abab-1.0.4.tgz#5faad9c2c07f60dd76770f71cf025b62a63cfd4e"
@@ -205,13 +219,32 @@ apollo-cache-control@^0.1.0:
   dependencies:
     graphql-extensions "^0.0.x"
 
-"apollo-link@^ 1.2.3", apollo-link@^1.2.3:
+apollo-link-http-common@^0.2.14:
+  version "0.2.16"
+  resolved "https://registry.yarnpkg.com/apollo-link-http-common/-/apollo-link-http-common-0.2.16.tgz#756749dafc732792c8ca0923f9a40564b7c59ecc"
+  integrity sha512-2tIhOIrnaF4UbQHf7kjeQA/EmSorB7+HyJIIrUjJOKBgnXwuexi8aMecRlqTIDWcyVXCeqLhUnztMa6bOH/jTg==
+  dependencies:
+    apollo-link "^1.2.14"
+    ts-invariant "^0.4.0"
+    tslib "^1.9.3"
+
+"apollo-link@^ 1.2.3":
   version "1.2.3"
   resolved "https://registry.yarnpkg.com/apollo-link/-/apollo-link-1.2.3.tgz#9bd8d5fe1d88d31dc91dae9ecc22474d451fb70d"
   dependencies:
     apollo-utilities "^1.0.0"
     zen-observable-ts "^0.8.10"
 
+apollo-link@^1.2.12, apollo-link@^1.2.14:
+  version "1.2.14"
+  resolved "https://registry.yarnpkg.com/apollo-link/-/apollo-link-1.2.14.tgz#3feda4b47f9ebba7f4160bef8b977ba725b684d9"
+  integrity sha512-p67CMEFP7kOG1JZ0ZkYZwRDa369w5PIjtMjvrQd/HnIV8FRsHRqLqK+oAZQnFa1DDdZtOtHTi+aMIW6EatC2jg==
+  dependencies:
+    apollo-utilities "^1.3.0"
+    ts-invariant "^0.4.0"
+    tslib "^1.9.3"
+    zen-observable-ts "^0.8.21"
+
 apollo-server-core@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/apollo-server-core/-/apollo-server-core-1.4.0.tgz#4faff7f110bfdd6c3f47008302ae24140f94c592"
@@ -237,12 +270,32 @@ apollo-tracing@^0.1.0:
   dependencies:
     graphql-extensions "~0.0.9"
 
-apollo-utilities@^1.0.0, apollo-utilities@^1.0.1:
+apollo-upload-client@^13.0.0:
+  version "13.0.0"
+  resolved "https://registry.yarnpkg.com/apollo-upload-client/-/apollo-upload-client-13.0.0.tgz#146d1ddd85d711fcac8ca97a72d3ca6787f2b71b"
+  integrity sha512-lJ9/bk1BH1lD15WhWRha2J3+LrXrPIX5LP5EwiOUHv8PCORp4EUrcujrA3rI5hZeZygrTX8bshcuMdpqpSrvtA==
+  dependencies:
+    "@babel/runtime" "^7.9.2"
+    apollo-link "^1.2.12"
+    apollo-link-http-common "^0.2.14"
+    extract-files "^8.0.0"
+
+apollo-utilities@^1.0.0:
   version "1.0.16"
   resolved "https://registry.yarnpkg.com/apollo-utilities/-/apollo-utilities-1.0.16.tgz#787310df4c3900a68c0beb3d351c59725a588cdb"
   dependencies:
     fast-json-stable-stringify "^2.0.0"
 
+apollo-utilities@^1.3.0:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/apollo-utilities/-/apollo-utilities-1.3.3.tgz#f1854715a7be80cd810bc3ac95df085815c0787c"
+  integrity sha512-F14aX2R/fKNYMvhuP2t9GD9fggID7zp5I96MF5QeKYWDWTrkRdHRp4+SVfXUVN+cXOaB/IebfvRtzPf25CM0zw==
+  dependencies:
+    "@wry/equality" "^0.1.2"
+    fast-json-stable-stringify "^2.0.0"
+    ts-invariant "^0.4.0"
+    tslib "^1.10.0"
+
 append-transform@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/append-transform/-/append-transform-1.0.0.tgz#046a52ae582a228bd72f58acfbe2967c678759ab"
@@ -862,6 +915,13 @@ combined-stream@1.0.6, combined-stream@~1.0.5:
   dependencies:
     delayed-stream "~1.0.0"
 
+combined-stream@^1.0.8:
+  version "1.0.8"
+  resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.8.tgz#c3d45a8b34fd730631a110a8a2520682b31d5a7f"
+  integrity sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==
+  dependencies:
+    delayed-stream "~1.0.0"
+
 commander@^2.12.1:
   version "2.16.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.16.0.tgz#f16390593996ceb4f3eeb020b31d78528f7f8a50"
@@ -1413,6 +1473,11 @@ extglob@^2.0.4:
     snapdragon "^0.8.1"
     to-regex "^3.0.1"
 
+extract-files@^8.0.0:
+  version "8.1.0"
+  resolved "https://registry.yarnpkg.com/extract-files/-/extract-files-8.1.0.tgz#46a0690d0fe77411a2e3804852adeaa65cd59288"
+  integrity sha512-PTGtfthZK79WUMk+avLmwx3NGdU8+iVFXC2NMGxKsn0MnihOG2lvumj+AZo8CTwTrwjXDgZ5tztbRlEdRjBonQ==
+
 extsprintf@1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.3.0.tgz#96918440e3041a7a414f8c52e3c574eb3c3e1e05"
@@ -1530,6 +1595,15 @@ form-data@^2.3.1, form-data@~2.3.1:
     combined-stream "1.0.6"
     mime-types "^2.1.12"
 
+form-data@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/form-data/-/form-data-3.0.0.tgz#31b7e39c85f1355b7139ee0c647cf0de7f83c682"
+  integrity sha512-CKMFDglpbMi6PyN+brwB9Q/GOw0eAnsrEZDgcsH5Krhz5Od/haKHAX0NmQfha2zPPz0JpWzA7GJHGSnvCRLWsg==
+  dependencies:
+    asynckit "^0.4.0"
+    combined-stream "^1.0.8"
+    mime-types "^2.1.12"
+
 formidable@^1.2.0:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/formidable/-/formidable-1.2.1.tgz#70fb7ca0290ee6ff961090415f4b3df3d2082659"
@@ -1696,15 +1770,19 @@ graphql-server-express@^1.4.0:
   dependencies:
     apollo-server-express "^1.4.0"
 
-graphql-tools@^4.0.3:
-  version "4.0.3"
-  resolved "https://registry.yarnpkg.com/graphql-tools/-/graphql-tools-4.0.3.tgz#23b5cb52c519212b1b2e4630a361464396ad264b"
+graphql-tools@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/graphql-tools/-/graphql-tools-5.0.0.tgz#67281c834a0e29f458adba8018f424816fa627e9"
+  integrity sha512-5zn3vtn//382b7G3Wzz3d5q/sh+f7tVrnxeuhTMTJ7pWJijNqLxH7VEzv8VwXCq19zAzHYEosFHfXiK7qzvk7w==
   dependencies:
-    apollo-link "^1.2.3"
-    apollo-utilities "^1.0.1"
+    apollo-link "^1.2.14"
+    apollo-upload-client "^13.0.0"
     deprecated-decorator "^0.1.6"
-    iterall "^1.1.3"
-    uuid "^3.1.0"
+    form-data "^3.0.0"
+    iterall "^1.3.0"
+    node-fetch "^2.6.0"
+    tslib "^1.11.1"
+    uuid "^7.0.3"
 
 graphql@^0.13.2:
   version "0.13.2"
@@ -2299,10 +2377,15 @@ istanbul-reports@^1.3.0:
   dependencies:
     handlebars "^4.0.3"
 
-iterall@^1.1.3, iterall@^1.2.1:
+iterall@^1.2.1:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/iterall/-/iterall-1.2.2.tgz#92d70deb8028e0c39ff3164fdbf4d8b088130cd7"
 
+iterall@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/iterall/-/iterall-1.3.0.tgz#afcb08492e2915cbd8a0884eb93a8c94d0d72fea"
+  integrity sha512-QZ9qOMdF+QLHxy1QIpUHUU1D5pS2CG2P69LF6L6CPjPYA/XMOmKV3PZpawHoAjHNyB0swdVTRxdYT4tbBbxqwg==
+
 jest-changed-files@^23.4.2:
   version "23.4.2"
   resolved "https://registry.yarnpkg.com/jest-changed-files/-/jest-changed-files-23.4.2.tgz#1eed688370cd5eebafe4ae93d34bb3b64968fe83"
@@ -3042,6 +3125,11 @@ nocache@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/nocache/-/nocache-2.0.0.tgz#202b48021a0c4cbde2df80de15a17443c8b43980"
 
+node-fetch@^2.6.0:
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.0.tgz#e633456386d4aa55863f676a7ab0daa8fdecb0fd"
+  integrity sha512-8dG4H5ujfvFiqDmVu9fQ5bOHUC15JMjMY/Zumv26oOvvVJjM67KF8koCWIabKQ1GJIa9r2mMZscBq/TbdOcmNA==
+
 node-int64@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/node-int64/-/node-int64-0.4.0.tgz#87a9065cdb355d3182d8f94ce11188b825c68a3b"
@@ -3603,6 +3691,11 @@ regenerator-runtime@^0.11.0:
   version "0.11.1"
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz#be05ad7f9bf7d22e056f9726cee5017fbf19e2e9"
 
+regenerator-runtime@^0.13.4:
+  version "0.13.5"
+  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.13.5.tgz#d878a1d094b4306d10b9096484b33ebd55e26697"
+  integrity sha512-ZS5w8CpKFinUzOwW3c83oPeVXoNsrLsaCoLtJvAClH135j/R77RuymhiSErhm2lKcwSCIpmvIWSbDkIfAqKQlA==
+
 regex-cache@^0.4.2:
   version "0.4.4"
   resolved "https://registry.yarnpkg.com/regex-cache/-/regex-cache-0.4.4.tgz#75bdc58a2a1496cec48a12835bc54c8d562336dd"
@@ -4256,6 +4349,13 @@ trim-right@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
 
+ts-invariant@^0.4.0:
+  version "0.4.4"
+  resolved "https://registry.yarnpkg.com/ts-invariant/-/ts-invariant-0.4.4.tgz#97a523518688f93aafad01b0e80eb803eb2abd86"
+  integrity sha512-uEtWkFM/sdZvRNNDL3Ehu4WVpwaulhwQszV8mrtcdeE8nN00BV9mAmQ88RkrBhFgl9gMgvjJLAQcZbnPXI9mlA==
+  dependencies:
+    tslib "^1.9.3"
+
 ts-jest@^23.10.4:
   version "23.10.4"
   resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-23.10.4.tgz#a7a953f55c9165bcaa90ff91014a178e87fe0df8"
@@ -4282,6 +4382,11 @@ ts-node@^7.0.1:
     source-map-support "^0.5.6"
     yn "^2.0.0"
 
+tslib@^1.10.0, tslib@^1.11.1, tslib@^1.9.3:
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.11.1.tgz#eb15d128827fbee2841549e171f45ed338ac7e35"
+  integrity sha512-aZW88SY8kQbU7gpV19lN24LtXh/yD4ZZg6qieAJDDg+YBsJcSmLGK9QpnUjAKVG/xefmvJGd1WUmfpT/g6AJGA==
+
 tslib@^1.8.0, tslib@^1.8.1:
   version "1.9.3"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.3.tgz#d7e4dd79245d85428c4d7e4822a79917954ca286"
@@ -4453,6 +4558,11 @@ uuid@^3.1.0:
   version "3.3.2"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.3.2.tgz#1b4af4955eb3077c501c23872fc6513811587131"
 
+uuid@^7.0.3:
+  version "7.0.3"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-7.0.3.tgz#c5c9f2c8cf25dc0a372c4df1441c41f5bd0c680b"
+  integrity sha512-DPSke0pXhTZgoF/d+WSt2QaKMCFSfx7QegxEWT+JOuHF5aWrKEn0G+ztjuJg/gG8/ItK+rbPCD/yNv8yyih6Cg==
+
 validate-npm-package-license@^3.0.1:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.3.tgz#81643bcbef1bdfecd4623793dc4648948ba98338"
@@ -4680,6 +4790,14 @@ zen-observable-ts@^0.8.10:
   dependencies:
     zen-observable "^0.8.0"
 
+zen-observable-ts@^0.8.21:
+  version "0.8.21"
+  resolved "https://registry.yarnpkg.com/zen-observable-ts/-/zen-observable-ts-0.8.21.tgz#85d0031fbbde1eba3cd07d3ba90da241215f421d"
+  integrity sha512-Yj3yXweRc8LdRMrCC8nIc4kkjWecPAUVh0TI0OUrWXx6aX790vLcDlWca6I4vsyCGH3LpWxq0dJRcMOFoVqmeg==
+  dependencies:
+    tslib "^1.9.3"
+    zen-observable "^0.8.0"
+
 zen-observable@^0.8.0:
   version "0.8.8"
   resolved "https://registry.yarnpkg.com/zen-observable/-/zen-observable-0.8.8.tgz#1ea93995bf098754a58215a1e0a7309e5749ec42"