diff --git a/package.json b/package.json
index 4b5c675..34ef9c8 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "mocha": "^3.5.0",
     "proxyquire": "^1.7.4",
     "run-sequence": "^1.1.0",
-    "shelljs": "^0.6.0",
+    "shelljs": "^0.8.5",
     "sinon": "^1.17.4",
     "sinon-chai": "^2.8.0"
   },
diff --git a/yarn.lock b/yarn.lock
index 4061a76..310b5cf 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1361,10 +1361,10 @@ glob@^4.3.1:
     minimatch "^2.0.1"
     once "^1.3.0"
 
-glob@^7.1.1, glob@^7.1.3:
-  version "7.1.6"
-  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.6.tgz#141f33b81a7c2492e125594307480c46679278a6"
-  integrity sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==
+glob@^7.0.0, glob@^7.1.1, glob@^7.1.3:
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.2.0.tgz#d15535af7732e02e948f4c41628bd910293f6023"
+  integrity sha512-lmLf6gtyrPq8tTjSmrO94wBeQbFR3HbLHbuyD69wuyQkImp2hWqMGB47OX65FBkPffO641IP9jWa1z4ivqG26Q==
   dependencies:
     fs.realpath "^1.0.0"
     inflight "^1.0.4"
@@ -3389,10 +3389,14 @@ shelljs@0.3.x:
   resolved "https://registry.yarnpkg.com/shelljs/-/shelljs-0.3.0.tgz#3596e6307a781544f591f37da618360f31db57b1"
   integrity sha1-NZbmMHp4FUT1kfN9phg2DzHbV7E=
 
-shelljs@^0.6.0:
-  version "0.6.1"
-  resolved "https://registry.yarnpkg.com/shelljs/-/shelljs-0.6.1.tgz#ec6211bed1920442088fe0f70b2837232ed2c8a8"
-  integrity sha1-7GIRvtGSBEIIj+D3Cyg3Iy7SyKg=
+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"
+    rechoir "^0.6.2"
 
 sigmund@~1.0.0:
   version "1.0.1"