diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index f0101768..53272ed9 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -9,8 +9,8 @@
       "resolved": "https://registry.npmjs.org/async/-/async-0.9.2.tgz"
     },
     "babel-runtime": {
-      "version": "5.8.5",
-      "resolved": "https://registry.npmjs.org/babel-runtime/-/babel-runtime-5.8.5.tgz",
+      "version": "5.8.19",
+      "resolved": "https://registry.npmjs.org/babel-runtime/-/babel-runtime-5.8.19.tgz",
       "dependencies": {
         "core-js": {
           "version": "0.9.18",
@@ -57,8 +57,8 @@
       }
     },
     "is-my-json-valid": {
-      "version": "2.12.0",
-      "resolved": "https://registry.npmjs.org/is-my-json-valid/-/is-my-json-valid-2.12.0.tgz",
+      "version": "2.12.1",
+      "resolved": "https://registry.npmjs.org/is-my-json-valid/-/is-my-json-valid-2.12.1.tgz",
       "dependencies": {
         "generate-function": {
           "version": "2.0.0",
@@ -106,13 +106,8 @@
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/ripple-wallet-generator/-/ripple-wallet-generator-1.0.3.tgz"
     },
-    "simple-asyncify": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/simple-asyncify/-/simple-asyncify-0.1.0.tgz"
-    },
     "sjcl-extended": {
       "version": "1.0.3",
-      "from": "sjcl-extended@git://github.com/ripple/sjcl-extended.git#d8cf8b22e7d97193c54e1f65113e3edcf200ca17",
       "resolved": "git://github.com/ripple/sjcl-extended.git#d8cf8b22e7d97193c54e1f65113e3edcf200ca17",
       "dependencies": {
         "sjcl": {
diff --git a/package.json b/package.json
index 23af53c1..5e830b3a 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,6 @@
     "lru-cache": "~2.5.0",
     "ripple-lib-transactionparser": "^0.4",
     "ripple-wallet-generator": "^1.0.3",
-    "simple-asyncify": "^0.1.0",
     "sjcl-extended": "ripple/sjcl-extended#1.0.3",
     "ws": "~0.7.1"
   },