diff --git a/package.json b/package.json
index 28ab2b0..ada3a65 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "rollup-plugin-babel": "4.3.3",
     "rollup-plugin-commonjs": "10.1.0",
     "rollup-plugin-node-resolve": "5.2.0",
-    "shx": "0.3.2",
+    "shx": "0.3.4",
     "standard": "14.1.0"
   },
   "peerDependencies": {
diff --git a/yarn.lock b/yarn.lock
index 6aadaec..1ecf705 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2724,11 +2724,6 @@ es-to-primitive@^1.1.1, es-to-primitive@^1.2.0:
     is-date-object "^1.0.1"
     is-symbol "^1.0.2"
 
-es6-object-assign@^1.0.3:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/es6-object-assign/-/es6-object-assign-1.1.0.tgz#c2c3582656247c39ea107cb1e6652b6f9f24523c"
-  integrity sha1-wsNYJlYkfDnqEHyx5mUrb58kUjw=
-
 es6-promise@^4.0.3:
   version "4.2.8"
   resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-4.2.8.tgz#4eb21594c972bc40553d276e510539143db53e0a"
@@ -4912,6 +4907,11 @@ minimist@^1.1.0, 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@^1.2.3:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
+  integrity sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==
+
 minimist@~0.0.1:
   version "0.0.10"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
@@ -6829,10 +6829,10 @@ shebang-regex@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
 
-shelljs@^0.8.1:
-  version "0.8.3"
-  resolved "https://registry.yarnpkg.com/shelljs/-/shelljs-0.8.3.tgz#a7f3319520ebf09ee81275b2368adb286659b097"
-  integrity sha512-fc0BKlAWiLpwZljmOvAOTE/gXawtCoNrP5oaY7KIaQbbyHeQVg01pSEuEGvGh3HEdBU4baCD7wQBwADmM/7f7A==
+shelljs@^0.8.5:
+  version "0.8.5"
+  resolved "https://registry.yarnpkg.com/shelljs/-/shelljs-0.8.5.tgz#de055408d8361bed66c669d2f000538ced8ee20c"
+  integrity sha512-TiwcRcrkhHvbrZbnRcFYMLl30Dfov3HKqzp5tO5b4pt6G/SezKcYhmDg15zXVBswHmctSAQKznqNW2LO5tTDow==
   dependencies:
     glob "^7.0.0"
     interpret "^1.0.0"
@@ -6842,14 +6842,13 @@ shellwords@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/shellwords/-/shellwords-0.1.1.tgz#d6b9181c1a48d397324c84871efbcfc73fc0654b"
 
-shx@0.3.2:
-  version "0.3.2"
-  resolved "https://registry.yarnpkg.com/shx/-/shx-0.3.2.tgz#40501ce14eb5e0cbcac7ddbd4b325563aad8c123"
-  integrity sha512-aS0mWtW3T2sHAenrSrip2XGv39O9dXIFUqxAEWHEOS1ePtGIBavdPJY1kE2IHl14V/4iCbUiNDPGdyYTtmhSoA==
+shx@0.3.4:
+  version "0.3.4"
+  resolved "https://registry.yarnpkg.com/shx/-/shx-0.3.4.tgz#74289230b4b663979167f94e1935901406e40f02"
+  integrity sha512-N6A9MLVqjxZYcVn8hLmtneQWIJtp8IKzMP4eMnx+nqkvXoqinUPCbUFLp2UcWTEIUONhlk0ewxr/jaVGlc+J+g==
   dependencies:
-    es6-object-assign "^1.0.3"
-    minimist "^1.2.0"
-    shelljs "^0.8.1"
+    minimist "^1.2.3"
+    shelljs "^0.8.5"
 
 signal-exit@^3.0.0, signal-exit@^3.0.2:
   version "3.0.2"