diff --git a/package-lock.json b/package-lock.json
index d77ec9a..8a09d7c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2205,7 +2205,7 @@
     },
     "chalk": {
       "version": "1.1.3",
-      "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
       "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
       "dev": true,
       "requires": {
@@ -6490,9 +6490,9 @@
       }
     },
     "merge": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/merge/-/merge-1.2.1.tgz",
-      "integrity": "sha512-VjFo4P5Whtj4vsLzsYBu5ayHhoHJ0UqNm7ibvShmbmoz7tGi0vXaoJbGdB+GmDMLUdg8DpQXEIeVDAe8MaABvQ==",
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/merge/-/merge-2.1.1.tgz",
+      "integrity": "sha512-jz+Cfrg9GWOZbQAnDQ4hlVnQky+341Yk5ru8bZSe6sIDTCIg8n9i/u7hSQGSVOF3C7lH6mGtqjkiT9G4wFLL0w==",
       "dev": true
     },
     "merge-stream": {
@@ -7625,7 +7625,7 @@
     },
     "readable-stream": {
       "version": "1.1.14",
-      "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
       "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
       "dev": true,
       "requires": {
@@ -8364,6 +8364,12 @@
           "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
           "dev": true
         },
+        "merge": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/merge/-/merge-1.2.1.tgz",
+          "integrity": "sha512-VjFo4P5Whtj4vsLzsYBu5ayHhoHJ0UqNm7ibvShmbmoz7tGi0vXaoJbGdB+GmDMLUdg8DpQXEIeVDAe8MaABvQ==",
+          "dev": true
+        },
         "object-assign": {
           "version": "4.1.1",
           "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
@@ -9294,7 +9300,7 @@
     },
     "strip-ansi": {
       "version": "3.0.1",
-      "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
       "dev": true,
       "requires": {
diff --git a/package.json b/package.json
index cde980e..27e2a1d 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "gulp-sass-lint": "^1.4.0",
     "gulp-sourcemaps": "^2.6.5",
     "gulp-uglify": "^3.0.2",
-    "merge": "^1.2.1"
+    "merge": "^2.1.1"
   },
   "browserslist": [
     "last 2 versions"