diff --git a/package-lock.json b/package-lock.json
index a97a774..2287199 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -486,9 +486,9 @@
       "integrity": "sha1-iNf/fsDfuG9xPch7u0LQRNPmxBs="
     },
     "dag-map": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/dag-map/-/dag-map-1.0.2.tgz",
-      "integrity": "sha1-6DefBBAA7VYfxRVHXB7SyF7s6Nc="
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/dag-map/-/dag-map-2.0.2.tgz",
+      "integrity": "sha512-xnsprIzYuDeiyu5zSKwilV/ajRHxnoMlAhEREfyfTgTSViMVY2fGP1ZcHJbtwup26oCkofySU/m6oKJ3HrkW7w=="
     },
     "debug": {
       "version": "3.1.0",
diff --git a/package.json b/package.json
index 459ad5c..1a9e567 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
   "main": "lib/index.js",
   "dependencies": {
     "clone": "^2.1.2",
-    "dag-map": "~1.0.0",
+    "dag-map": "~2.0.0",
     "is-valid-path": "^0.1.1",
     "lodash": "^4.17.13",
     "md5": "~2.2.0",