diff --git a/yarn.lock b/yarn.lock
index 854abf0..0770a5b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -214,7 +214,7 @@
   version "7.1.6"
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.1.6.tgz#16e97aca1ec1062324a01c5a6a7d0df8dd189854"
 
-"@babel/plugin-external-helpers@^.0.0", "@babel/plugin-external-helpers@^7.0.0":
+"@babel/plugin-external-helpers@7.0.0", "@babel/plugin-external-helpers@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-external-helpers/-/plugin-external-helpers-7.0.0.tgz#61ee7ba5dba27d7cad72a13d46bec23c060b762e"
   dependencies:
@@ -1701,7 +1701,7 @@ 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"
@@ -3771,8 +3771,8 @@ merge-stream@^1.0.1:
     readable-stream "^2.0.1"
 
 merge@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/merge/-/merge-1.2.0.tgz#7531e39d4949c281a66b8c5a6e0265e8b05894da"
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/merge/-/merge-1.2.1.tgz#38bebf80c3220a8a487b6fcfb3941bb11720c145"
 
 metro-babel-register@^0.45.0:
   version "0.45.6"