diff --git a/package-lock.json b/package-lock.json
index 309aa5a..08fbefa 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -237,17 +237,17 @@
       "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
     },
     "async": {
-      "version": "2.6.1",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
-      "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
       "requires": {
-        "lodash": "^4.17.10"
+        "lodash": "^4.17.14"
       },
       "dependencies": {
         "lodash": {
-          "version": "4.17.10",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.10.tgz",
-          "integrity": "sha512-UejweD1pDoXu+AD825lWwp4ZGtSwgnpZxb3JDViD7StjQz+Nb/6l093lx4OQ0foGWNRoc19mWy7BzL+UAK2iVg=="
+          "version": "4.17.21",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+          "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
         }
       }
     },
diff --git a/package.json b/package.json
index aa2af36..1ebb9df 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "url": "https://github.com/IBM/watson-second-opinion"
   },
   "dependencies": {
-    "async": "^2.6.0",
+    "async": "^2.6.4",
     "async-waterfall": "^0.1.5",
     "body-parser": "^1.18.3",
     "cheerio": "~1.0.0-rc.2",