diff --git a/_learn-nodejs/passport/package-lock.json b/_learn-nodejs/passport/package-lock.json
index a31a58d..7223396 100644
--- a/_learn-nodejs/passport/package-lock.json
+++ b/_learn-nodejs/passport/package-lock.json
@@ -4,6 +4,28 @@
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+			"requires": {
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+					"integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+				}
 			}
 		},
 		"regexp-clone": {
-			"version": "0.0.1",
-			"resolved": "https://registry.npmjs.org/regexp-clone/-/regexp-clone-0.0.1.tgz",
-			"integrity": "sha1-p8LgmJH9vzj7sQ03b7cwA+aKxYk="
+			"version": "1.0.0",
+			"resolved": "https://registry.npmjs.org/regexp-clone/-/regexp-clone-1.0.0.tgz",
+			"integrity": "sha512-TuAasHQNamyyJ2hb97IuBEif4qBHGjPHBS64sZwytpLEqtBQ1gPJTnOaQ6qmpET16cK14kkjbazl6+p0RRv0yw=="
+		},
+		"require-at": {
+			"version": "1.0.6",
+			"resolved": "https://registry.npmjs.org/require-at/-/require-at-1.0.6.tgz",
+			"integrity": "sha512-7i1auJbMUrXEAZCOQ0VNJgmcT2VOKPRl2YGJwgpHpC9CE91Mv4/4UYIUm4chGJaI381ZDq1JUicFii64Hapd8g=="
 		},
 		"safe-buffer": {
-			"version": "5.1.1",
-			"resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz",
-			"integrity": "sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg=="
+			"version": "5.2.1",
+			"resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+			"integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ=="
+		},
+		"saslprep": {
+			"version": "1.0.3",
+			"resolved": "https://registry.npmjs.org/saslprep/-/saslprep-1.0.3.tgz",
+			"integrity": "sha512-/MY/PEMbk2SuY5sScONwhUDsV2p77Znkb/q3nSVstq/yQzYJOH/Azh29p9oJLsl3LnQwSvZDKagDGBsBwSooag==",
+			"optional": true,
+			"requires": {
+				"sparse-bitfield": "^3.0.3"
+			}
 		},
 		"send": {
 			"version": "0.8.5",
@@ -671,18 +736,38 @@
 				"utils-merge": "1.0.0"
 			}
 		},
+		"sift": {
+			"version": "13.5.2",
+			"resolved": "https://registry.npmjs.org/sift/-/sift-13.5.2.tgz",
+			"integrity": "sha512-+gxdEOMA2J+AI+fVsCqeNn7Tgx3M9ZN9jdi95939l1IJ8cZsqS8sqpJyOkic2SJk+1+98Uwryt/gL6XDaV+UZA=="
+		},
 		"sliced": {
-			"version": "0.0.5",
-			"resolved": "https://registry.npmjs.org/sliced/-/sliced-0.0.5.tgz",
-			"integrity": "sha1-XtwETKTrb3gW1Qui/GPiXY/kcH8="
+			"version": "1.0.1",
+			"resolved": "https://registry.npmjs.org/sliced/-/sliced-1.0.1.tgz",
+			"integrity": "sha512-VZBmZP8WU3sMOZm1bdgTadsQbcscK0UM8oKxKVBs4XAhUo2Xxzm/OFMGBkPusxw9xL3Uy8LrzEqGqJhclsr0yA=="
 		},
-		"string_decoder": {
-			"version": "1.0.3",
-			"resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
-			"integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+		"sparse-bitfield": {
+			"version": "3.0.3",
+			"resolved": "https://registry.npmjs.org/sparse-bitfield/-/sparse-bitfield-3.0.3.tgz",
+			"integrity": "sha512-kvzhi7vqKTfkh0PZU+2D2PIllw2ymqJKujUcyPMd9Y75Nv4nPbGJZXNhxsgdQab2BmlDct1YnfQCguEvHr7VsQ==",
 			"optional": true,
 			"requires": {
-				"safe-buffer": "5.1.1"
+				"memory-pager": "^1.0.2"
+			}
+		},
+		"string_decoder": {
+			"version": "1.1.1",
+			"resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+			"integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+			"requires": {
+				"safe-buffer": "~5.1.0"
+			},
+			"dependencies": {
+				"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=="
+				}
 			}
 		},
 		"thenify": {
@@ -727,8 +812,7 @@
 		"util-deprecate": {
 			"version": "1.0.2",
 			"resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-			"integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
-			"optional": true
+			"integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw=="
 		},
 		"utils-merge": {
 			"version": "1.0.0",
diff --git a/_learn-nodejs/passport/package.json b/_learn-nodejs/passport/package.json
index 2587bba..d755b9b 100644
--- a/_learn-nodejs/passport/package.json
+++ b/_learn-nodejs/passport/package.json
@@ -10,7 +10,7 @@
 		"express-session": "~1.7.6",
 		"ejs": "~1.0.0",
 		"connect-flash": "~0.1.1",
-		"mongoose": "~3.8.15",
+		"mongoose": "~5.13.15",
 		"passport": "~0.2.1",
 		"passport-local": "~1.0.0",
 		"passport-facebook": "~1.0.3",