diff --git a/spiderwaterfall/package-lock.json b/spiderwaterfall/package-lock.json
index e46135513..e11143c2a 100644
--- a/spiderwaterfall/package-lock.json
+++ b/spiderwaterfall/package-lock.json
@@ -71,11 +71,18 @@
       "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
     },
     "async": {
-      "version": "2.6.2",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.2.tgz",
-      "integrity": "sha512-H1qVYh1MYhEEFLsP97cVKqCGo7KfCyTt6uEWqsTBr9SO84oK9Uwbyd/yCW+6rKJLHksBNUVWZDAjfS+Ccx0Bbg==",
+      "version": "2.6.3",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
+      "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
       "requires": {
-        "lodash": "^4.17.11"
+        "lodash": "^4.17.14"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "4.17.15",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+          "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+        }
       }
     },
     "asynckit": {
diff --git a/spiderwaterfall/package.json b/spiderwaterfall/package.json
index 39cf054d0..50ae7706d 100644
--- a/spiderwaterfall/package.json
+++ b/spiderwaterfall/package.json
@@ -15,7 +15,7 @@
   "license": "ISC",
   "dependencies": {
     "assert": "^1.5.0",
-    "async": "^2.6.2",
+    "async": "^2.6.3",
     "cheerio": "^1.0.0-rc.3",
     "command-line-args": "^5.1.1",
     "command-line-usage": "^5.0.5",