diff --git a/package-lock.json b/package-lock.json
index 1c165e1..4845426 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -53,6 +53,7 @@
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       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "dev": true,
+      "optional": true,
       "requires": {
         "kind-of": "3.2.2",
         "longest": "1.0.1",
@@ -610,9 +611,9 @@
       "integrity": "sha1-BU8dAhQDMAD0No26O7LgDPBXfck="
     },
     "debug": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-3.0.0.tgz",
-      "integrity": "sha512-XQkHxxqbsCb+zFurCHbotmJZl5jXsxvkRt952pT6Hpo7LmjWAJF12d9/kqBg5owjbLADbBDli1olravjSiSg8g==",
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+      "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
       "requires": {
         "ms": "2.0.0"
       }
@@ -1328,7 +1329,8 @@
       "version": "1.1.5",
       "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.5.tgz",
       "integrity": "sha1-Hzsm72E7IUuIy8ojzGwB2Hlh7sw=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "is-finite": {
       "version": "1.0.2",
@@ -1596,6 +1598,7 @@
       "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
       "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
       "dev": true,
+      "optional": true,
       "requires": {
         "is-buffer": "1.1.5"
       }
@@ -1739,7 +1742,8 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/longest/-/longest-1.0.1.tgz",
       "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "loose-envify": {
       "version": "1.3.1",
@@ -2225,7 +2229,8 @@
       "version": "1.6.1",
       "resolved": "https://registry.npmjs.org/repeat-string/-/repeat-string-1.6.1.tgz",
       "integrity": "sha1-jcrkcOHIirwtYA//Sndihtp15jc=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "repeating": {
       "version": "2.0.1",
diff --git a/package.json b/package.json
index 9268093..dc67e31 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "async-iterators": "0.2.2",
     "bluebird": "3.5.0",
     "data2xml": "1.2.5",
-    "debug": "3.0.0",
+    "debug": "3.1.0",
     "lodash": "4.17.4",
     "qs": "6.5.0",
     "request": "2.81.0",