diff --git a/shell/package.json b/shell/package.json
index d29aa575f6..1bac6b7ea9 100644
--- a/shell/package.json
+++ b/shell/package.json
@@ -14,7 +14,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "babel-runtime": "^6.26.0",
-    "bignum": "^0.12.5",
+    "bignum": "^0.13.1",
     "heapdump": "^0.3.9",
     "intro.js": "git+https://github.com/sandstorm-io/intro.js.git#8e1c7604f251ec874bf4ae4d7b4f11a14cee697e",
     "ldapjs": "^1.0.1",