diff --git a/package-lock.json b/package-lock.json
index 8aaba29..8039f19 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,6 +13,14 @@
         "crypto-js": "3.1.9-1",
         "nan": "2.8.0",
         "node-gyp": "3.6.2"
+      },
+      "dependencies": {
+        "crypto-js": {
+          "version": "3.1.9-1",
+          "resolved": "https://registry.npmjs.org/crypto-js/-/crypto-js-3.1.9-1.tgz",
+          "integrity": "sha1-/aGedh/Ad+Af+/3G6f38WeiAbNg=",
+          "dev": true
+        }
       }
     },
     "@types/chai": {
@@ -492,9 +500,9 @@
       }
     },
     "crypto-js": {
-      "version": "3.1.9-1",
-      "resolved": "https://registry.npmjs.org/crypto-js/-/crypto-js-3.1.9-1.tgz",
-      "integrity": "sha1-/aGedh/Ad+Af+/3G6f38WeiAbNg="
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/crypto-js/-/crypto-js-3.2.1.tgz",
+      "integrity": "sha512-fIEXOyiXnmPbPk2+q8t97VYDSo8naqvI+2v0AJeLraQzhuL/GZ2qgcRpEadVQ7r8pXwBOHVjwOdyAXYYb3DWiQ=="
     },
     "dashdash": {
       "version": "1.14.1",
@@ -1226,6 +1234,7 @@
           "version": "0.1.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "kind-of": "3.2.2",
             "longest": "1.0.1",
@@ -2018,7 +2027,8 @@
         "longest": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "loose-envify": {
           "version": "1.3.1",
diff --git a/package.json b/package.json
index 5220aac..95e4668 100644
--- a/package.json
+++ b/package.json
@@ -56,6 +56,6 @@
     "typescript": "2.4.2"
   },
   "dependencies": {
-    "crypto-js": "3.1.9-1"
+    "crypto-js": "3.2.1"
   }
 }