diff --git a/package-lock.json b/package-lock.json
index ead84c1..a1d52f0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -493,7 +493,8 @@
 				"safe-buffer": {
 					"version": "5.1.2",
 					"resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-					"integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+					"integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
+					"optional": true
 				},
 				"string_decoder": {
 					"version": "1.1.1",
@@ -1287,7 +1288,8 @@
 				"safe-buffer": {
 					"version": "5.1.2",
 					"resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-					"integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+					"integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
+					"optional": true
 				},
 				"string_decoder": {
 					"version": "1.1.1",
@@ -1700,9 +1702,9 @@
 			}
 		},
 		"qs": {
-			"version": "6.5.2",
-			"resolved": "https://registry.npmjs.org/qs/-/qs-6.5.2.tgz",
-			"integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA=="
+			"version": "6.5.3",
+			"resolved": "https://registry.npmjs.org/qs/-/qs-6.5.3.tgz",
+			"integrity": "sha512-qxXIEh4pCGfHICj1mAJQ2/2XVZkjCDTcEgfoSQxc/fYivUZxTkk7L3bDBJSoNrEzXI17oUO5Dp07ktqE5KzczA=="
 		},
 		"querystring": {
 			"version": "0.2.0",