diff --git a/_learn-nodejs/passport/package-lock.json b/_learn-nodejs/passport/package-lock.json
index a31a58d..54eaa8c 100644
--- a/_learn-nodejs/passport/package-lock.json
+++ b/_learn-nodejs/passport/package-lock.json
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+			"version": "5.1.2",
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+			"integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+		},
+		"semver": {
+			"version": "5.7.1",
+			"resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+			"integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ=="
 		},
 		"send": {
 			"version": "0.8.5",
@@ -672,17 +720,16 @@
 			}
 		},
 		"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==",
-			"optional": true,
 			"requires": {
-				"safe-buffer": "5.1.1"
+				"safe-buffer": "~5.1.0"
 			}
 		},
 		"thenify": {
@@ -727,8 +774,7 @@
 		"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..0d1b69b 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": "~4.13.21",
 		"passport": "~0.2.1",
 		"passport-local": "~1.0.0",
 		"passport-facebook": "~1.0.3",