diff --git a/package-lock.json b/package-lock.json
index a97a774..344cd58 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -311,7 +311,7 @@
     "charenc": {
       "version": "0.0.2",
       "resolved": "https://registry.npmjs.org/charenc/-/charenc-0.0.2.tgz",
-      "integrity": "sha1-wKHS86cJLgN3S/qD8UwPxXkKhmc="
+      "integrity": "sha512-yrLQ/yVUFXkzg7EDQsPieE/53+0RlaWTs+wBrvW36cyilJ2SaDWfl4Yj7MtLTXleV9uEKefbAGUPv2/iWSooRA=="
     },
     "check-error": {
       "version": "1.0.2",
@@ -483,7 +483,7 @@
     "crypt": {
       "version": "0.0.2",
       "resolved": "https://registry.npmjs.org/crypt/-/crypt-0.0.2.tgz",
-      "integrity": "sha1-iNf/fsDfuG9xPch7u0LQRNPmxBs="
+      "integrity": "sha512-mCxBlsHFYh9C+HVpiEacem8FEBnMXgU9gy4zmNC+SXAZNB/1idgp/aulFJ4FgCi7GPEVbfyng092GqL2k2rmow=="
     },
     "dag-map": {
       "version": "1.0.2",
@@ -1724,13 +1724,13 @@
       "dev": true
     },
     "md5": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/md5/-/md5-2.2.1.tgz",
-      "integrity": "sha1-U6s41f48iJG6RlMp6iP6wFQBJvk=",
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/md5/-/md5-2.3.0.tgz",
+      "integrity": "sha512-T1GITYmFaKuO91vxyoQMFETst+O71VUPEU3ze5GNzDm0OWdP8v1ziTaAEPUr/3kLsY3Sftgz242A1SetQiDL7g==",
       "requires": {
-        "charenc": "~0.0.1",
-        "crypt": "~0.0.1",
-        "is-buffer": "~1.1.1"
+        "charenc": "0.0.2",
+        "crypt": "0.0.2",
+        "is-buffer": "~1.1.6"
       }
     },
     "mem": {
diff --git a/package.json b/package.json
index 459ad5c..2fbb787 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "dag-map": "~1.0.0",
     "is-valid-path": "^0.1.1",
     "lodash": "^4.17.13",
-    "md5": "~2.2.0",
+    "md5": "~2.3.0",
     "memory-cache": "~0.2.0",
     "traverse": "~0.6.6",
     "valid-url": "~1.0.9"