diff --git a/package-lock.json b/package-lock.json
index 5bd5ed0..a34ae30 100644
--- a/package-lock.json
+++ b/package-lock.json
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@@ -4963,17 +4978,17 @@
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-        "ms": "2.0.0"
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-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+          "version": "2.1.1",
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@@ -5459,12 +5474,27 @@
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+        "debug": {
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+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
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+          "dev": true,
+          "requires": {
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           "resolved": "https://registry.npmjs.org/globals/-/globals-11.7.0.tgz",
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           "dev": true
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+        "ms": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
+          "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==",
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@@ -7275,6 +7305,17 @@
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+      },
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+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
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+          "dev": true,
+          "requires": {
+            "ms": "2.0.0"
+          }
+        }
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     "http-signature": {
@@ -7296,6 +7337,23 @@
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         "agent-base": "^4.1.0",
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+      },
+      "dependencies": {
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+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
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+          "dev": true,
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ms": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
+          "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==",
+          "dev": true
+        }
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@@ -7910,7 +7968,24 @@
             "mkdirp": "^0.5.1",
             "rimraf": "^2.6.1",
             "source-map": "^0.5.3"
+          },
+          "dependencies": {
+            "debug": {
+              "version": "3.2.6",
+              "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
+              "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
+              "dev": true,
+              "requires": {
+                "ms": "^2.1.1"
+              }
+            }
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+        },
+        "ms": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
+          "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==",
+          "dev": true
         }
       }
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@@ -7984,6 +8059,23 @@
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         "rimraf": "^2.6.1",
         "source-map": "^0.5.3"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.2.6",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
+          "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
+          "dev": true,
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ms": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
+          "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==",
+          "dev": true
+        }
       }
     },
     "istanbul-reports": {
diff --git a/package.json b/package.json
index 3598a5c..fbb3718 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "travis-deploy-once": "5.0.9"
   },
   "dependencies": {
-    "debug": "^3.1.0",
+    "debug": "^4.0.0",
     "lodash": "^4.17.5",
     "lodash.clonedeep": "^4.5.0",
     "lodash.merge": "^4.6.1"