diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
new file mode 100644
index 00000000..54d05cf6
--- /dev/null
+++ b/npm-shrinkwrap.json
@@ -0,0 +1,142 @@
+{
+  "name": "ripple-lib",
+  "version": "0.9.0-rc5",
+  "dependencies": {
+    "async": {
+      "version": "0.8.0",
+      "from": "async@>=0.8.0 <0.9.0"
+    },
+    "extend": {
+      "version": "1.2.1",
+      "from": "extend@>=1.2.1 <1.3.0"
+    },
+    "lru-cache": {
+      "version": "2.5.0",
+      "from": "lru-cache@>=2.5.0 <2.6.0"
+    },
+    "ripple-wallet-generator": {
+      "version": "1.0.1",
+      "from": "ripple-wallet-generator@1.0.1",
+      "resolved": "https://registry.npmjs.org/ripple-wallet-generator/-/ripple-wallet-generator-1.0.1.tgz"
+    },
+    "superagent": {
+      "version": "0.18.2",
+      "from": "superagent@>=0.18.0 <0.19.0",
+      "dependencies": {
+        "qs": {
+          "version": "0.6.6",
+          "from": "qs@0.6.6",
+          "resolved": "https://registry.npmjs.org/qs/-/qs-0.6.6.tgz"
+        },
+        "formidable": {
+          "version": "1.0.14",
+          "from": "formidable@1.0.14",
+          "resolved": "https://registry.npmjs.org/formidable/-/formidable-1.0.14.tgz"
+        },
+        "mime": {
+          "version": "1.2.11",
+          "from": "mime@1.2.11",
+          "resolved": "https://registry.npmjs.org/mime/-/mime-1.2.11.tgz"
+        },
+        "component-emitter": {
+          "version": "1.1.2",
+          "from": "component-emitter@1.1.2",
+          "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.1.2.tgz"
+        },
+        "methods": {
+          "version": "1.0.1",
+          "from": "methods@1.0.1",
+          "resolved": "https://registry.npmjs.org/methods/-/methods-1.0.1.tgz"
+        },
+        "cookiejar": {
+          "version": "2.0.1",
+          "from": "cookiejar@2.0.1",
+          "resolved": "https://registry.npmjs.org/cookiejar/-/cookiejar-2.0.1.tgz"
+        },
+        "debug": {
+          "version": "1.0.4",
+          "from": "debug@>=1.0.1 <1.1.0",
+          "dependencies": {
+            "ms": {
+              "version": "0.6.2",
+              "from": "ms@0.6.2",
+              "resolved": "https://registry.npmjs.org/ms/-/ms-0.6.2.tgz"
+            }
+          }
+        },
+        "reduce-component": {
+          "version": "1.0.1",
+          "from": "reduce-component@1.0.1",
+          "resolved": "https://registry.npmjs.org/reduce-component/-/reduce-component-1.0.1.tgz"
+        },
+        "form-data": {
+          "version": "0.1.3",
+          "from": "form-data@0.1.3",
+          "resolved": "https://registry.npmjs.org/form-data/-/form-data-0.1.3.tgz",
+          "dependencies": {
+            "combined-stream": {
+              "version": "0.0.5",
+              "from": "combined-stream@>=0.0.4 <0.1.0",
+              "dependencies": {
+                "delayed-stream": {
+                  "version": "0.0.5",
+                  "from": "delayed-stream@0.0.5",
+                  "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-0.0.5.tgz"
+                }
+              }
+            },
+            "async": {
+              "version": "0.9.0",
+              "from": "async@>=0.9.0 <0.10.0"
+            }
+          }
+        },
+        "readable-stream": {
+          "version": "1.0.27-1",
+          "from": "readable-stream@1.0.27-1",
+          "dependencies": {
+            "core-util-is": {
+              "version": "1.0.1",
+              "from": "core-util-is@>=1.0.0 <1.1.0"
+            },
+            "isarray": {
+              "version": "0.0.1",
+              "from": "isarray@0.0.1",
+              "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz"
+            },
+            "string_decoder": {
+              "version": "0.10.31",
+              "from": "string_decoder@>=0.10.0 <0.11.0"
+            },
+            "inherits": {
+              "version": "2.0.1",
+              "from": "inherits@>=2.0.1 <2.1.0"
+            }
+          }
+        }
+      }
+    },
+    "ws": {
+      "version": "0.4.32",
+      "from": "ws@>=0.4.31 <0.5.0",
+      "dependencies": {
+        "commander": {
+          "version": "2.1.0",
+          "from": "commander@>=2.1.0 <2.2.0"
+        },
+        "nan": {
+          "version": "1.0.0",
+          "from": "nan@>=1.0.0 <1.1.0"
+        },
+        "tinycolor": {
+          "version": "0.0.1",
+          "from": "tinycolor@>=0.0.0 <1.0.0"
+        },
+        "options": {
+          "version": "0.0.6",
+          "from": "options@>=0.0.5"
+        }
+      }
+    }
+  }
+}