diff --git a/package-lock.json b/package-lock.json
index 7b7e7b0..61c7904 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
     "name": "duffle-coat",
-    "version": "0.3.2",
+    "version": "0.3.4",
     "lockfileVersion": 1,
     "requires": true,
     "dependencies": {
@@ -276,7 +276,7 @@
             "dependencies": {
                 "chalk": {
                     "version": "1.1.3",
-                    "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+                    "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
                     "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
                     "dev": true,
                     "requires": {
@@ -700,7 +700,7 @@
             "dependencies": {
                 "combined-stream": {
                     "version": "1.0.6",
-                    "resolved": "http://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
+                    "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
                     "integrity": "sha1-cj599ugBrFYTETp+RFqbactjKBg=",
                     "requires": {
                         "delayed-stream": "1.0.0"
@@ -1191,9 +1191,9 @@
             "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4="
         },
         "interpret": {
-            "version": "1.1.0",
-            "resolved": "https://registry.npmjs.org/interpret/-/interpret-1.1.0.tgz",
-            "integrity": "sha1-ftGxQQxqDg94z5XTuEQMY/eLhhQ="
+            "version": "1.4.0",
+            "resolved": "https://registry.npmjs.org/interpret/-/interpret-1.4.0.tgz",
+            "integrity": "sha512-agE4QfB2Lkp9uICn7BAqoscw4SZP9kTE2hxiFI3jBPmXJfdqiahTbUuKGsMoN2GtqL9AxhYioAcVvgsb1HvRbA=="
         },
         "is": {
             "version": "3.3.0",
@@ -1713,7 +1713,7 @@
             "resolved": "https://registry.npmjs.org/rechoir/-/rechoir-0.6.2.tgz",
             "integrity": "sha1-hSBLVNuoLVdC4oyWdW70OvUOM4Q=",
             "requires": {
-                "resolve": "1.8.1"
+                "resolve": "^1.1.6"
             }
         },
         "remove-bom-buffer": {
@@ -1843,13 +1843,13 @@
             "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": "7.1.3",
-                "interpret": "1.1.0",
-                "rechoir": "0.6.2"
+                "glob": "^7.0.0",
+                "interpret": "^1.0.0",
+                "rechoir": "^0.6.2"
             }
         },
         "source-map": {
@@ -1911,7 +1911,7 @@
         },
         "stream-combiner": {
             "version": "0.2.2",
-            "resolved": "http://registry.npmjs.org/stream-combiner/-/stream-combiner-0.2.2.tgz",
+            "resolved": "https://registry.npmjs.org/stream-combiner/-/stream-combiner-0.2.2.tgz",
             "integrity": "sha1-rsjLrBd7Vrb0+kec7YwZEs7lKFg=",
             "requires": {
                 "duplexer": "0.1.1",
diff --git a/package.json b/package.json
index 537471f..aef1981 100644
--- a/package.json
+++ b/package.json
@@ -78,7 +78,7 @@
         "node.extend": "^1.1.7",
         "request": "^2.88.0",
         "request-promise-native": "^1.0.5",
-        "shelljs": "^0.7.7",
+        "shelljs": "^0.8.5",
         "tar": "^4.4.1",
         "tmp": "^0.0.33"
     },