diff --git a/package-lock.json b/package-lock.json
index 883e54d..900f1d5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -288,6 +288,11 @@
         "q": "^1.4.1"
       },
       "dependencies": {
+        "lodash": {
+          "version": "3.10.1",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
+          "integrity": "sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y="
+        },
         "m-io": {
           "version": "0.3.1",
           "resolved": "https://registry.npmjs.org/m-io/-/m-io-0.3.1.tgz",
@@ -1349,9 +1354,9 @@
       }
     },
     "lodash": {
-      "version": "3.10.1",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
-      "integrity": "sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y="
+      "version": "4.17.19",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
+      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
     },
     "lodash._arraycopy": {
       "version": "3.0.0",
diff --git a/package.json b/package.json
index 1b92dc3..ae7b954 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "customize": "^1.0.0",
     "debug": "^2.2.0",
     "deep-aplus": "^1.0.4",
-    "lodash": "^3.10.1",
+    "lodash": "^4.17.19",
     "m-io": "^0.5.0",
     "q": "^1.4.1"
   },