diff --git a/yarn.lock b/yarn.lock
index dfa54eb..2226365 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1299,20 +1299,13 @@ domhandler@^2.3.0:
   dependencies:
     domelementtype "1"
 
-domutils@1.5.1:
+domutils@1.5.1, domutils@^1.5.1:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/domutils/-/domutils-1.5.1.tgz#dcd8488a26f563d61079e48c9f7b7e32373682cf"
   dependencies:
     dom-serializer "0"
     domelementtype "1"
 
-domutils@^1.5.1:
-  version "1.7.0"
-  resolved "https://registry.yarnpkg.com/domutils/-/domutils-1.7.0.tgz#56ea341e834e06e6748af7a1cb25da67ea9f8c2a"
-  dependencies:
-    dom-serializer "0"
-    domelementtype "1"
-
 duplexer@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/duplexer/-/duplexer-0.1.1.tgz#ace6ff808c1ce66b57d1ebf97977acb02334cfc1"
@@ -1547,14 +1540,10 @@ extglob@^2.0.4:
     snapdragon "^0.8.1"
     to-regex "^3.0.1"
 
-extsprintf@1.3.0:
+extsprintf@1.3.0, extsprintf@^1.2.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.3.0.tgz#96918440e3041a7a414f8c52e3c574eb3c3e1e05"
 
-extsprintf@^1.2.0:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.4.0.tgz#e2689f8f356fad62cca65a3a91c5df5f9551692f"
-
 fast-deep-equal@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz#c053477817c86b51daa853c81e059b733d023614"
@@ -1887,16 +1876,10 @@ http-signature@~1.2.0:
     jsprim "^1.2.2"
     sshpk "^1.7.0"
 
-iconv-lite@0.4.19:
+iconv-lite@0.4.19, iconv-lite@^0.4.4, iconv-lite@~0.4.13:
   version "0.4.19"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.19.tgz#f7468f60135f5e5dad3399c0a81be9a1603a082b"
 
-iconv-lite@^0.4.4, iconv-lite@~0.4.13:
-  version "0.4.23"
-  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.23.tgz#297871f63be507adcfbfca715d0cd0eed84e9a63"
-  dependencies:
-    safer-buffer ">= 2.1.2 < 3"
-
 ignore-walk@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/ignore-walk/-/ignore-walk-3.0.1.tgz#a83e62e7d272ac0e3b551aaa82831a19b69f82f8"
@@ -2870,7 +2853,7 @@ minimatch@^3.0.2, minimatch@^3.0.3, minimatch@^3.0.4:
   dependencies:
     brace-expansion "^1.1.7"
 
-minimist@0.0.8:
+minimist@0.0.8, minimist@~0.0.1:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
@@ -2878,10 +2861,6 @@ minimist@^1.1.1, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
-minimist@~0.0.1:
-  version "0.0.10"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
-
 minipass@^2.2.1, minipass@^2.2.4:
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/minipass/-/minipass-2.3.1.tgz#4e872b959131a672837ab3cb554962bc84b1537d"
@@ -3716,9 +3695,9 @@ rollup-watch@^4.3.1:
     require-relative "0.8.7"
     rollup-pluginutils "^2.0.1"
 
-rollup@^0.59.0:
-  version "0.59.1"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.59.1.tgz#86cbceaecd861df1317a0aa29207173de23e6a5d"
+rollup@^0.63.4:
+  version "0.63.4"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.63.4.tgz#cb58bf6c2a6c38542cae250684c962799ad7c00c"
   dependencies:
     "@types/estree" "0.0.39"
     "@types/node" "*"
@@ -3744,10 +3723,6 @@ safe-regex@^1.1.0:
   dependencies:
     ret "~0.1.10"
 
-"safer-buffer@>= 2.1.2 < 3":
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
-
 samsam@1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/samsam/-/samsam-1.3.0.tgz#8d1d9350e25622da30de3e44ba692b5221ab7c50"