diff --git a/example/ReactDocViewerExample/yarn.lock b/example/ReactDocViewerExample/yarn.lock
index a3d06897..6f056bfd 100644
--- a/example/ReactDocViewerExample/yarn.lock
+++ b/example/ReactDocViewerExample/yarn.lock
@@ -1240,6 +1240,10 @@ balanced-match@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
 
+base-64@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/base-64/-/base-64-0.1.0.tgz#780a99c84e7d600260361511c4877613bf24f6bb"
+
 base64-js@0.0.8:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-0.0.8.tgz#1101e9544f4a76b1bc3b26d452ca96d7a35e7978"
@@ -1560,7 +1564,7 @@ compressible@~2.0.13:
 
 compression@^1.7.1:
   version "1.7.2"
-  resolved "http://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
+  resolved "https://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
   dependencies:
     accepts "~1.3.4"
     bytes "3.0.0"
@@ -1685,8 +1689,8 @@ decamelize@^1.0.0, decamelize@^1.1.1:
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
 
 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"
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.2.tgz#e69dbe25d37941171dd540e024c444cd5188e1e9"
 
 deep-extend@~0.4.0:
   version "0.4.2"
@@ -4213,6 +4217,17 @@ react-is@^16.3.0-alpha.3:
   version "16.3.0-alpha.3"
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.3.0-alpha.3.tgz#0960d927b2b17154897139c6329aa958e29a86c2"
 
+react-native-doc-viewer@2.7.8:
+  version "2.7.8"
+  resolved "https://registry.yarnpkg.com/react-native-doc-viewer/-/react-native-doc-viewer-2.7.8.tgz#43d065328fb1b7ec90d321e5bd234711e807c8f6"
+
+react-native-fs@^2.3.2:
+  version "2.20.0"
+  resolved "https://registry.yarnpkg.com/react-native-fs/-/react-native-fs-2.20.0.tgz#05a9362b473bfc0910772c0acbb73a78dbc810f6"
+  dependencies:
+    base-64 "^0.1.0"
+    utf8 "^3.0.0"
+
 react-native@0.54.3:
   version "0.54.3"
   resolved "https://registry.yarnpkg.com/react-native/-/react-native-0.54.3.tgz#e32807ab7ddc70811418101b73a482639d09ccca"
@@ -5176,6 +5191,10 @@ use@^3.1.0:
   dependencies:
     kind-of "^6.0.2"
 
+utf8@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/utf8/-/utf8-3.0.0.tgz#f052eed1364d696e769ef058b183df88c87f69d1"
+
 util-deprecate@1.0.2, util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"