diff --git a/package-lock.json b/package-lock.json
index c5507f8..781207b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -29,12 +29,9 @@
       "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
     },
     "async": {
-      "version": "2.6.0",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.0.tgz",
-      "integrity": "sha512-xAfGg1/NTLBBKlHFmnd7PlmUW9KhVQIUuSrYem9xzFUZy13ScvtyGGejaae9iAVRiRq9+Cx7DPFaAAhCpyxyPw==",
-      "requires": {
-        "lodash": "^4.14.0"
-      }
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/async/-/async-3.2.2.tgz",
+      "integrity": "sha512-H0E+qZaDEfx/FY4t7iLRv1W2fFI6+pyCeTw1uN20AQPiwqwM6ojPxHxdLv4z8hi2DtnW9BOckSspLucW7pIE5g=="
     },
     "asynckit": {
       "version": "0.4.0",
@@ -207,11 +204,6 @@
         "verror": "1.10.0"
       }
     },
-    "lodash": {
-      "version": "4.17.19",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
-      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
-    },
     "mime-db": {
       "version": "1.40.0",
       "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.40.0.tgz",
diff --git a/package.json b/package.json
index 0c83a8c..b9c68be 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "google"
   ],
   "dependencies": {
-    "async": "2.x",
+    "async": "3.x",
     "spas-http": "0.1.x"
   },
   "main": "api.js",