diff --git a/package-lock.json b/package-lock.json
index 12a395b..8d5bd9a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2552,9 +2552,9 @@
       "integrity": "sha1-BTfLedr1m1mhpRff9wbIbsA5Fi4="
     },
     "interpret": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/interpret/-/interpret-1.0.4.tgz",
-      "integrity": "sha1-ggzdWIuGj/sZGoCVBtbJyPISsbA="
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/interpret/-/interpret-1.4.0.tgz",
+      "integrity": "sha512-agE4QfB2Lkp9uICn7BAqoscw4SZP9kTE2hxiFI3jBPmXJfdqiahTbUuKGsMoN2GtqL9AxhYioAcVvgsb1HvRbA=="
     },
     "invariant": {
       "version": "2.2.2",
@@ -4092,7 +4092,7 @@
       "resolved": "https://registry.npmjs.org/rechoir/-/rechoir-0.6.2.tgz",
       "integrity": "sha1-hSBLVNuoLVdC4oyWdW70OvUOM4Q=",
       "requires": {
-        "resolve": "1.5.0"
+        "resolve": "^1.1.6"
       }
     },
     "redent": {
@@ -4448,13 +4448,13 @@
       "dev": true
     },
     "shelljs": {
-      "version": "0.7.8",
-      "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.7.8.tgz",
-      "integrity": "sha1-3svPh0sNHl+3LhSxZKloMEjprLM=",
+      "version": "0.8.5",
+      "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.8.5.tgz",
+      "integrity": "sha512-TiwcRcrkhHvbrZbnRcFYMLl30Dfov3HKqzp5tO5b4pt6G/SezKcYhmDg15zXVBswHmctSAQKznqNW2LO5tTDow==",
       "requires": {
-        "glob": "7.1.2",
-        "interpret": "1.0.4",
-        "rechoir": "0.6.2"
+        "glob": "^7.0.0",
+        "interpret": "^1.0.0",
+        "rechoir": "^0.6.2"
       }
     },
     "signal-exit": {
diff --git a/package.json b/package.json
index 77bc315..d8f64a4 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "pug": "^2.0.0-beta11",
     "reload": "^1.1.1",
     "serve-favicon": "~2.3.2",
-    "shelljs": "^0.7.8",
+    "shelljs": "^0.8.5",
     "string": "^3.3.3",
     "watch": "^1.0.2"
   },