diff --git a/package.json b/package.json
index 8a5596a..149540c 100644
--- a/package.json
+++ b/package.json
@@ -158,7 +158,7 @@
     "precss": "^4.0.0",
     "react-test-renderer": "^16.4.1",
     "rimraf": "2.6.1",
-    "shelljs": "0.7.7",
+    "shelljs": "0.8.5",
     "style-loader": "0.18.1",
     "url-loader": "0.5.8",
     "webpack": "3.5.5",
diff --git a/yarn.lock b/yarn.lock
index 3410fff..fcf607a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -10421,9 +10421,10 @@ shell-quote@1.6.1:
     array-reduce "~0.0.0"
     jsonify "~0.0.0"
 
-shelljs@0.7.7:
-  version "0.7.7"
-  resolved "https://registry.yarnpkg.com/shelljs/-/shelljs-0.7.7.tgz#b2f5c77ef97148f4b4f6e22682e10bba8667cff1"
+shelljs@0.8.5, shelljs@^0.8.1:
+  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"
@@ -10437,14 +10438,6 @@ shelljs@^0.7.5:
     interpret "^1.0.0"
     rechoir "^0.6.2"
 
-shelljs@^0.8.1:
-  version "0.8.2"
-  resolved "https://registry.yarnpkg.com/shelljs/-/shelljs-0.8.2.tgz#345b7df7763f4c2340d584abb532c5f752ca9e35"
-  dependencies:
-    glob "^7.0.0"
-    interpret "^1.0.0"
-    rechoir "^0.6.2"
-
 shellwords@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/shellwords/-/shellwords-0.1.1.tgz#d6b9181c1a48d397324c84871efbcfc73fc0654b"