diff --git a/package-lock.json b/package-lock.json
index b9257bf..b149a5f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2441,14 +2441,6 @@
                         }
                     }
                 },
-                "debug": {
-                    "version": "2.6.8",
-                    "bundled": true,
-                    "optional": true,
-                    "requires": {
-                        "ms": "2.0.0"
-                    }
-                },
                 "deep-extend": {
                     "version": "0.4.2",
                     "bundled": true,
@@ -2748,8 +2740,7 @@
                 },
                 "ms": {
                     "version": "2.0.0",
-                    "bundled": true,
-                    "optional": true
+                    "bundled": true
                 },
                 "node-pre-gyp": {
                     "version": "0.6.36",
diff --git a/yarn.lock b/yarn.lock
index 4138395..0d04029 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1356,8 +1356,8 @@ date-now@^0.1.4:
   resolved "https://registry.npmjs.org/date-now/-/date-now-0.1.4.tgz#eaf439fd4d4848ad74e5cc7dbef200672b9e345b"
 
 debug@^2.2.0, debug@^2.6.8:
-  version "2.6.8"
-  resolved "https://registry.npmjs.org/debug/-/debug-2.6.8.tgz#e731531ca2ede27d188222427da17821d68ff4fc"
+  version "2.6.9"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
   dependencies:
     ms "2.0.0"
 
@@ -2498,7 +2498,7 @@ mixin-object@^2.0.1:
 
 ms@2.0.0:
   version "2.0.0"
-  resolved "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
 
 nan@^2.3.0, nan@^2.3.2:
   version "2.7.0"