diff --git a/web/package.json b/web/package.json
index 177f7bd..d515e60 100644
--- a/web/package.json
+++ b/web/package.json
@@ -76,7 +76,7 @@
     "postcss-url": "^7.2.1",
     "rimraf": "^2.6.0",
     "semver": "^5.3.0",
-    "shelljs": "^0.7.6",
+    "shelljs": "^0.8.5",
     "sinon": "^4.0.0",
     "sinon-chai": "^2.8.0",
     "uglifyjs-webpack-plugin": "^1.1.1",
diff --git a/web/yarn.lock b/web/yarn.lock
index e9f90cc..17bcf16 100644
--- a/web/yarn.lock
+++ b/web/yarn.lock
@@ -80,7 +80,7 @@
 
 "@sinonjs/formatio@^2.0.0":
   version "2.0.0"
-  resolved "http://registry.npmjs.org/@sinonjs/formatio/-/formatio-2.0.0.tgz#84db7e9eb5531df18a8c5e0bfb6e449e55e654b2"
+  resolved "https://registry.npmjs.org/@sinonjs/formatio/-/formatio-2.0.0.tgz#84db7e9eb5531df18a8c5e0bfb6e449e55e654b2"
   dependencies:
     samsam "1.3.0"
 
@@ -2154,7 +2154,7 @@ compressible@~2.0.13:
 
 compression@^1.5.2:
   version "1.7.2"
-  resolved "http://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
+  resolved "https://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
   dependencies:
     accepts "~1.3.4"
     bytes "3.0.0"
@@ -7342,17 +7342,9 @@ shell-quote@1.6.1:
     array-reduce "~0.0.0"
     jsonify "~0.0.0"
 
-shelljs@^0.7.6:
-  version "0.7.8"
-  resolved "https://registry.yarnpkg.com/shelljs/-/shelljs-0.7.8.tgz#decbcf874b0d1e5fb72e14b164a9683048e9acb3"
-  dependencies:
-    glob "^7.0.0"
-    interpret "^1.0.0"
-    rechoir "^0.6.2"
-
-shelljs@^0.8.1:
-  version "0.8.1"
-  resolved "https://registry.yarnpkg.com/shelljs/-/shelljs-0.8.1.tgz#729e038c413a2254c4078b95ed46e0397154a9f1"
+shelljs@^0.8.1, shelljs@^0.8.5:
+  version "0.8.5"
+  resolved "https://registry.yarnpkg.com/shelljs/-/shelljs-0.8.5.tgz#de055408d8361bed66c669d2f000538ced8ee20c"
   dependencies:
     glob "^7.0.0"
     interpret "^1.0.0"