diff --git a/package.json b/package.json
index 4a0ab87..0444193 100644
--- a/package.json
+++ b/package.json
@@ -68,7 +68,7 @@
         "rimraf": "^2.6.0",
         "sass-loader": "^6.0.3",
         "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 e8e8ad6..2b6cba6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7219,10 +7219,10 @@ 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"