diff --git a/package.json b/package.json
index 3b60bbd..c082141 100644
--- a/package.json
+++ b/package.json
@@ -83,7 +83,7 @@
     "rimraf": "^2.6.0",
     "selenium-server": "^3.0.1",
     "semver": "^5.3.0",
-    "shelljs": "^0.7.6",
+    "shelljs": "^0.8.5",
     "sinon": "^2.1.0",
     "sinon-chai": "^2.8.0",
     "url-loader": "^0.5.8",
diff --git a/yarn.lock b/yarn.lock
index 5596077..8b14874 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2900,19 +2900,7 @@ glob@^6.0.4:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@^7.0.0, glob@^7.0.5, glob@^7.1.1:
-  version "7.1.2"
-  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
-  integrity sha1-wZyd+aAocC1nhhI4SmVSQExjbRU=
-  dependencies:
-    fs.realpath "^1.0.0"
-    inflight "^1.0.4"
-    inherits "2"
-    minimatch "^3.0.4"
-    once "^1.3.0"
-    path-is-absolute "^1.0.0"
-
-glob@^7.0.3:
+glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.1:
   version "7.1.3"
   resolved "http://registry.npm.taobao.org/glob/download/glob-7.1.3.tgz#3960832d3f1574108342dafd3a67b332c0969df1"
   integrity sha1-OWCDLT8VdBCDQtr9OmezMsCWnfE=
@@ -6009,10 +5997,10 @@ shebang-regex@^1.0.0:
   resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
   integrity sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM=
 
-shelljs@^0.7.6:
-  version "0.7.8"
-  resolved "https://registry.yarnpkg.com/shelljs/-/shelljs-0.7.8.tgz#decbcf874b0d1e5fb72e14b164a9683048e9acb3"
-  integrity sha1-3svPh0sNHl+3LhSxZKloMEjprLM=
+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"