diff --git a/yarn.lock b/yarn.lock
index c460d67..8850a7f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2404,9 +2404,9 @@ decamelize@^1.2.0:
   integrity sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=
 
 decode-uri-component@^0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.0.tgz#eb3913333458775cb84cd1a1fae062106bb87545"
-  integrity sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.2.tgz#e69dbe25d37941171dd540e024c444cd5188e1e9"
+  integrity sha512-FqUYQ+8o158GyGTrMFJms9qh3CqTKvAqgqsTnkLI8sKu0028orqBhxNMFkFen0zGyg6epACD32pjVk58ngIErQ==
 
 deep-is@~0.1.3:
   version "0.1.3"
@@ -2546,6 +2546,11 @@ domhandler@^2.3.0:
   dependencies:
     domelementtype "1"
 
+dommatrix@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/dommatrix/-/dommatrix-1.0.3.tgz#e7c18e8d6f3abdd1fef3dd4aa74c4d2e620a0525"
+  integrity sha512-l32Xp/TLgWb8ReqbVJAFIvXmY7go4nTxxlWiAFyhoQw9RKEOHBZNnyGvJWqDVSPmq3Y9HlM4npqF/T6VMOXhww==
+
 domutils@1.5.1:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/domutils/-/domutils-1.5.1.tgz#dcd8488a26f563d61079e48c9f7b7e32373682cf"
@@ -2793,6 +2798,13 @@ eslint-module-utils@^2.4.1:
     debug "^2.6.9"
     pkg-dir "^2.0.0"
 
+eslint-plugin-flowtype@^4.7.0:
+  version "4.7.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-flowtype/-/eslint-plugin-flowtype-4.7.0.tgz#903a6ea3eb5cbf4c7ba7fa73cc43fc39ab7e4a70"
+  integrity sha512-M+hxhSCk5QBEValO5/UqrS4UunT+MgplIJK5wA1sCtXjzBcZkpTGRwxmLHhGpbHcrmQecgt6ZL/KDdXWqGB7VA==
+  dependencies:
+    lodash "^4.17.15"
+
 eslint-plugin-import@^2.18.2:
   version "2.20.1"
   resolved "https://registry.yarnpkg.com/eslint-plugin-import/-/eslint-plugin-import-2.20.1.tgz#802423196dcb11d9ce8435a5fc02a6d3b46939b3"
@@ -4458,7 +4470,7 @@ loader-runner@^2.4.0:
   resolved "https://registry.yarnpkg.com/loader-runner/-/loader-runner-2.4.0.tgz#ed47066bfe534d7e84c4c7b9998c2a75607d9357"
   integrity sha512-Jsmr89RcXGIwivFY21FcRrisYZfvLMTWx5kOLc+JTxtpBOG6xML0vzbc6SEQG2FO9/4Fc3wW4LVcB5DmGflaRw==
 
-loader-utils@^1.0.0, loader-utils@^1.2.3:
+loader-utils@^1.2.3:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-1.4.0.tgz#c579b5e34cb34b1a74edc6c1fb36bfa371d5a613"
   integrity sha512-qH0WSMBtn/oHuwjy/NucEgbx5dbxxnxup9s4PVXJUDHZBQY+s0NWA9rJf53RBnQZxfch7euUui7hpoAPvALZdA==
@@ -4805,11 +4817,6 @@ nice-try@^1.0.4:
   resolved "https://registry.yarnpkg.com/nice-try/-/nice-try-1.0.5.tgz#a3378a7696ce7d223e88fc9b764bd7ef1089e366"
   integrity sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==
 
-node-ensure@^0.0.0:
-  version "0.0.0"
-  resolved "https://registry.yarnpkg.com/node-ensure/-/node-ensure-0.0.0.tgz#ecae764150de99861ec5c810fd5d096b183932a7"
-  integrity sha1-7K52QVDemYYexcgQ/V0Jaxg5Mqc=
-
 node-int64@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/node-int64/-/node-int64-0.4.0.tgz#87a9065cdb355d3182d8f94ce11188b825c68a3b"
@@ -5222,13 +5229,13 @@ pbkdf2@^3.0.3:
     safe-buffer "^5.0.1"
     sha.js "^2.4.8"
 
-pdfjs-dist@2.3.200:
-  version "2.3.200"
-  resolved "https://registry.yarnpkg.com/pdfjs-dist/-/pdfjs-dist-2.3.200.tgz#2920dc28ae7f2b8313cd6d6223c97ae85ac07eac"
-  integrity sha512-+8wBjU5h8LPZOIvR9X2uCrp/8xWQG1DRDKMLg5lzGN1qyIAZlYUxA0KQyy12Nw5jN7ozulC6v97PMaDcLgAcFg==
+pdfjs-dist@^2.4.456:
+  version "2.16.105"
+  resolved "https://registry.yarnpkg.com/pdfjs-dist/-/pdfjs-dist-2.16.105.tgz#937b9c4a918f03f3979c88209d84c1ce90122c2a"
+  integrity sha512-J4dn41spsAwUxCpEoVf6GVoz908IAA3mYiLmNxg8J9kfRXc2jxpbUepcP0ocp0alVNLFthTAM8DZ1RaHh8sU0A==
   dependencies:
-    node-ensure "^0.0.0"
-    worker-loader "^2.0.0"
+    dommatrix "^1.0.3"
+    web-streams-polyfill "^3.2.1"
 
 performance-now@^2.1.0:
   version "2.1.0"
@@ -5859,14 +5866,6 @@ scheduler@^0.19.0:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
 
-schema-utils@^0.4.0:
-  version "0.4.7"
-  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-0.4.7.tgz#ba74f597d2be2ea880131746ee17d0a093c68187"
-  integrity sha512-v/iwU6wvwGK8HbU9yi3/nhGzP0yGSuhQMzL6ySiec1FSrZZDkhm4noOSWzrNFo/jEc+SJY6jRTwuwbSXJPDUnQ==
-  dependencies:
-    ajv "^6.1.0"
-    ajv-keywords "^3.1.0"
-
 schema-utils@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-1.0.0.tgz#0b79a93204d7b600d4b2850d1f66c2a34951c770"
@@ -6729,6 +6728,11 @@ watchpack@^1.6.0:
     graceful-fs "^4.1.2"
     neo-async "^2.5.0"
 
+web-streams-polyfill@^3.2.1:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/web-streams-polyfill/-/web-streams-polyfill-3.2.1.tgz#71c2718c52b45fd49dbeee88634b3a60ceab42a6"
+  integrity sha512-e0MO3wdXWKrLbL0DgGnUV7WHVuw9OUvL4hjgnPkIeEvESk74gAITi5G606JtZPp39cd8HA9VQzCIvA49LpPN5Q==
+
 webidl-conversions@^4.0.2:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-4.0.2.tgz#a855980b1f0b6b359ba1d5d9fb39ae941faa63ad"
@@ -6823,14 +6827,6 @@ worker-farm@^1.7.0:
   dependencies:
     errno "~0.1.7"
 
-worker-loader@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/worker-loader/-/worker-loader-2.0.0.tgz#45fda3ef76aca815771a89107399ee4119b430ac"
-  integrity sha512-tnvNp4K3KQOpfRnD20m8xltE3eWh89Ye+5oj7wXEEHKac1P4oZ6p9oTj8/8ExqoSBnk9nu5Pr4nKfQ1hn2APJw==
-  dependencies:
-    loader-utils "^1.0.0"
-    schema-utils "^0.4.0"
-
 wrap-ansi@^6.2.0:
   version "6.2.0"
   resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-6.2.0.tgz#e9393ba07102e6c91a3b221478f0257cd2856e53"