diff --git a/package-lock.json b/package-lock.json
index c7d2acd..139b0c0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3816,6 +3816,14 @@
       "dev": true,
       "requires": {
         "merge": "^1.1.3"
+      },
+      "dependencies": {
+        "merge": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/merge/-/merge-1.2.1.tgz",
+          "integrity": "sha512-VjFo4P5Whtj4vsLzsYBu5ayHhoHJ0UqNm7ibvShmbmoz7tGi0vXaoJbGdB+GmDMLUdg8DpQXEIeVDAe8MaABvQ==",
+          "dev": true
+        }
       }
     },
     "execa": {
@@ -8182,7 +8190,7 @@
         },
         "onetime": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
           "integrity": "sha1-ofeDj4MUxRbwXs78vEzP4EtO14k=",
           "dev": true
         },
@@ -8375,7 +8383,7 @@
         },
         "onetime": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
           "integrity": "sha1-ofeDj4MUxRbwXs78vEzP4EtO14k=",
           "dev": true
         },
@@ -8617,9 +8625,9 @@
       }
     },
     "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-descriptors": {
@@ -9339,7 +9347,7 @@
         },
         "onetime": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
           "integrity": "sha1-ofeDj4MUxRbwXs78vEzP4EtO14k=",
           "dev": true
         },
diff --git a/package.json b/package.json
index 2a4a82e..c50700b 100644
--- a/package.json
+++ b/package.json
@@ -89,7 +89,7 @@
     "html-webpack-plugin": "^3.2.0",
     "jest": "^22.4.3",
     "jest-fetch-mock": "^1.6.5",
-    "merge": "^1.2.1",
+    "merge": "^2.1.1",
     "nock": "^9.2.6",
     "regenerator-runtime": "^0.11.1",
     "replace-in-file": "^3.4.0",