diff --git a/package-lock.json b/package-lock.json
index 7b7e7b0..5ad5063 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": {
@@ -387,9 +387,9 @@
             }
         },
         "chownr": {
-            "version": "1.1.1",
-            "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.1.tgz",
-            "integrity": "sha512-j38EvO5+LHX84jlo6h4UzmOwi0UgW61WRyPtJz4qaadK5eY3BTS5TY/S1Stc3Uk2lIM6TPevAlULiEJwie860g=="
+            "version": "1.1.4",
+            "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.4.tgz",
+            "integrity": "sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg=="
         },
         "clone": {
             "version": "0.2.0",
@@ -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"
@@ -724,11 +724,11 @@
             }
         },
         "fs-minipass": {
-            "version": "1.2.5",
-            "resolved": "https://registry.npmjs.org/fs-minipass/-/fs-minipass-1.2.5.tgz",
-            "integrity": "sha512-JhBl0skXjUPCFH7x6x61gQxrKyXsxB5gcgePLZCwfyCGGsTISMoIeObbrvVeP6Xmyaudw4TT43qV2Gz+iyd2oQ==",
+            "version": "1.2.7",
+            "resolved": "https://registry.npmjs.org/fs-minipass/-/fs-minipass-1.2.7.tgz",
+            "integrity": "sha512-GWSSJGFy4e9GUeCcbIkED+bgAoFyj7XF1mV8rma3QW4NIqX9Kyx79N/PF61H5udOV3aY1IaMLs6pGbH71nlCTA==",
             "requires": {
-                "minipass": "2.3.5"
+                "minipass": "^2.6.0"
             }
         },
         "fs-mkdirp-stream": {
@@ -1417,20 +1417,20 @@
             "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
         },
         "minipass": {
-            "version": "2.3.5",
-            "resolved": "https://registry.npmjs.org/minipass/-/minipass-2.3.5.tgz",
-            "integrity": "sha512-Gi1W4k059gyRbyVUZQ4mEqLm0YIUiGYfvxhF6SIlk3ui1WVxMTGfGdQ2SInh3PDrRTVvPKgULkpJtT4RH10+VA==",
+            "version": "2.9.0",
+            "resolved": "https://registry.npmjs.org/minipass/-/minipass-2.9.0.tgz",
+            "integrity": "sha512-wxfUjg9WebH+CUDX/CdbRlh5SmfZiy/hpkxaRI16Y9W56Pa75sWgd/rvFilSgrauD9NyFymP/+JFV3KwzIsJeg==",
             "requires": {
-                "safe-buffer": "5.1.2",
-                "yallist": "3.0.2"
+                "safe-buffer": "^5.1.2",
+                "yallist": "^3.0.0"
             }
         },
         "minizlib": {
-            "version": "1.1.1",
-            "resolved": "https://registry.npmjs.org/minizlib/-/minizlib-1.1.1.tgz",
-            "integrity": "sha512-TrfjCjk4jLhcJyGMYymBH6oTXcWjYbUAXTHDbtnWHjZC25h0cdajHuPE1zxb4DVmu8crfh+HwH/WMuyLG0nHBg==",
+            "version": "1.3.3",
+            "resolved": "https://registry.npmjs.org/minizlib/-/minizlib-1.3.3.tgz",
+            "integrity": "sha512-6ZYMOEnmVsdCeTJVE0W9ZD+pVnE8h9Hma/iOwwRDsdQoePpoX56/8B6z3P9VNwppJuBKNRuFDRNRqRWexT9G9Q==",
             "requires": {
-                "minipass": "2.3.5"
+                "minipass": "^2.9.0"
             }
         },
         "mkdirp": {
@@ -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",
@@ -1963,17 +1963,37 @@
             "dev": true
         },
         "tar": {
-            "version": "4.4.6",
-            "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.6.tgz",
-            "integrity": "sha512-tMkTnh9EdzxyfW+6GK6fCahagXsnYk6kE6S9Gr9pjVdys769+laCTbodXDhPAjzVtEBazRgP0gYqOjnk9dQzLg==",
-            "requires": {
-                "chownr": "1.1.1",
-                "fs-minipass": "1.2.5",
-                "minipass": "2.3.5",
-                "minizlib": "1.1.1",
-                "mkdirp": "0.5.1",
-                "safe-buffer": "5.1.2",
-                "yallist": "3.0.2"
+            "version": "4.4.18",
+            "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.18.tgz",
+            "integrity": "sha512-ZuOtqqmkV9RE1+4odd+MhBpibmCxNP6PJhH/h2OqNuotTX7/XHPZQJv2pKvWMplFH9SIZZhitehh6vBH6LO8Pg==",
+            "requires": {
+                "chownr": "^1.1.4",
+                "fs-minipass": "^1.2.7",
+                "minipass": "^2.9.0",
+                "minizlib": "^1.3.3",
+                "mkdirp": "^0.5.5",
+                "safe-buffer": "^5.2.1",
+                "yallist": "^3.1.1"
+            },
+            "dependencies": {
+                "minimist": {
+                    "version": "1.2.5",
+                    "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+                    "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
+                },
+                "mkdirp": {
+                    "version": "0.5.5",
+                    "resolved": "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.5.tgz",
+                    "integrity": "sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==",
+                    "requires": {
+                        "minimist": "^1.2.5"
+                    }
+                },
+                "safe-buffer": {
+                    "version": "5.2.1",
+                    "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+                    "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ=="
+                }
             }
         },
         "through": {
@@ -2304,9 +2324,9 @@
             "dev": true
         },
         "yallist": {
-            "version": "3.0.2",
-            "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.0.2.tgz",
-            "integrity": "sha1-hFK0u36Dx8GI2AQcGoN8dz1ti7k="
+            "version": "3.1.1",
+            "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
+            "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g=="
         },
         "yauzl": {
             "version": "2.10.0",
diff --git a/package.json b/package.json
index 537471f..e57447d 100644
--- a/package.json
+++ b/package.json
@@ -79,7 +79,7 @@
         "request": "^2.88.0",
         "request-promise-native": "^1.0.5",
         "shelljs": "^0.7.7",
-        "tar": "^4.4.1",
+        "tar": "^4.4.18",
         "tmp": "^0.0.33"
     },
     "devDependencies": {