diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 47f93eb..9194589 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -1,39 +1,66 @@
 {
   "name": "app-manager",
   "version": "0.0.1",
+  "lockfileVersion": 1,
+  "requires": true,
   "dependencies": {
     "amqp": {
-      "version": "0.1.3"
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/amqp/-/amqp-0.1.3.tgz",
+      "integrity": "sha1-r4ElZbQPC1FQAZhkg4SbNkLwfXQ="
     },
-    "mysql": {
-      "version": "2.0.0-alpha3",
-      "dependencies": {
-        "require-all": {
-          "version": "0.0.3"
-        }
+    "argparse": {
+      "version": "1.0.10",
+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
+      "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
+      "requires": {
+        "sprintf-js": "~1.0.2"
       }
     },
-    "step": {
-      "version": "0.0.5"
+    "esprima": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
+      "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A=="
     },
     "js-yaml": {
-      "version": "1.0.2",
+      "version": "3.13.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.13.1.tgz",
+      "integrity": "sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==",
+      "requires": {
+        "argparse": "^1.0.7",
+        "esprima": "^4.0.0"
+      }
+    },
+    "mysql": {
+      "version": "2.0.0-alpha3",
+      "resolved": "https://registry.npmjs.org/mysql/-/mysql-2.0.0-alpha3.tgz",
+      "integrity": "sha1-zgAldZG4fZxMZ7BEVMa3G1SgueQ=",
+      "requires": {
+        "require-all": "0.0.3"
+      },
       "dependencies": {
-        "argparse": {
-          "version": "0.1.4",
-          "dependencies": {
-            "underscore": {
-              "version": "1.3.3"
-            },
-            "underscore.string": {
-              "version": "2.1.1"
-            }
-          }
+        "require-all": {
+          "version": "0.0.3",
+          "resolved": "https://registry.npmjs.org/require-all/-/require-all-0.0.3.tgz",
+          "integrity": "sha1-BR4ZIkbADTmb/mFkvE6BC8WI4Bo="
         }
       }
     },
     "ncurses": {
-      "version": "0.2.4"
+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/ncurses/-/ncurses-0.2.4.tgz",
+      "integrity": "sha1-AfJnmNbj8gOdmOxK/AyJ0eovAfw=",
+      "dev": true
+    },
+    "sprintf-js": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
+      "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw="
+    },
+    "step": {
+      "version": "0.0.5",
+      "resolved": "https://registry.npmjs.org/step/-/step-0.0.5.tgz",
+      "integrity": "sha1-XmYvFfm6Ls6cOpsOJVPRmGtrpEw="
     }
   }
 }
diff --git a/package.json b/package.json
index 52c034c..28b2ee3 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "amqp": "0.1.3",
     "mysql": "2.0.0-alpha3",
     "step": "0.0.5",
-    "js-yaml": "1.0.2"
+    "js-yaml": "3.13.1"
   },
   "devDependencies": {
     "ncurses": "0.2.4"