diff --git a/package-lock.json b/package-lock.json
index e73851c4..170a83a2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3403,15 +3403,6 @@
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+		},
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@@ -9272,6 +9260,41 @@
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+			"resolved": "https://registry.npmjs.org/minipass/-/minipass-3.1.3.tgz",
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+			"requires": {
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+			},
+			"dependencies": {
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+					"version": "4.0.0",
+					"resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
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+					"dev": true
+				}
+			}
+		},
+		"minizlib": {
+			"version": "2.1.2",
+			"resolved": "https://registry.npmjs.org/minizlib/-/minizlib-2.1.2.tgz",
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+			"dev": true,
+			"requires": {
+				"minipass": "^3.0.0",
+				"yallist": "^4.0.0"
+			},
+			"dependencies": {
+				"yallist": {
+					"version": "4.0.0",
+					"resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+					"integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==",
+					"dev": true
+				}
+			}
+		},
 		"mississippi": {
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@@ -9415,39 +9438,37 @@
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+			"version": "7.1.2",
+			"resolved": "https://registry.npmjs.org/node-gyp/-/node-gyp-7.1.2.tgz",
+			"integrity": "sha512-CbpcIo7C3eMu3dL1c3d0xw449fHIGALIJsRP4DDPHpyiW8vcriNY7ubh9TE4zEKfSxscY7PjeFnshE7h75ynjQ==",
 			"dev": true,
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-				"glob": "^7.0.3",
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-				"rimraf": "2",
-				"semver": "~5.3.0",
-				"tar": "^2.0.0",
-				"which": "1"
+				"env-paths": "^2.2.0",
+				"glob": "^7.1.4",
+				"graceful-fs": "^4.2.3",
+				"nopt": "^5.0.0",
+				"npmlog": "^4.1.2",
+				"request": "^2.88.2",
+				"rimraf": "^3.0.2",
+				"semver": "^7.3.2",
+				"tar": "^6.0.2",
+				"which": "^2.0.2"
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-				"semver": {
-					"version": "5.3.0",
-					"resolved": "https://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
-					"integrity": "sha1-myzl094C0XxgEq0yaqa00M9U+U8=",
-					"dev": true
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-				"which": {
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-					"integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
+				"rimraf": {
+					"version": "3.0.2",
+					"resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.2.tgz",
+					"integrity": "sha512-JZkJMZkAGFFPP2YqXZXPbMlMBgsxzE8ILs4lMIX/2o0L9UBw9O/Y3o6wFw/i9YLapcUJWwqbi3kdxIPdC62TIA==",
 					"dev": true,
 					"requires": {
-						"isexe": "^2.0.0"
+						"glob": "^7.1.3"
 					}
+				},
+				"semver": {
+					"version": "7.3.2",
+					"resolved": "https://registry.npmjs.org/semver/-/semver-7.3.2.tgz",
+					"integrity": "sha512-OrOb32TeeambH6UrhtShmF7CRDqhL6/5XpPNp2DuRH6+9QLw/orhp72j87v8Qa1ScDkvrrBNpZcDejAirJmfXQ==",
+					"dev": true
 				}
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@@ -9503,23 +9524,22 @@
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-			"integrity": "sha512-sjCuOlvGyCJS40R8BscF5vhVlQjNN069NtQ1gSxyK1u9iqvn6tf7O1R4GNowVZfiZUCRt5MmMs1xd+4V/7Yr0g==",
+			"version": "5.0.0",
+			"resolved": "https://registry.npmjs.org/node-sass/-/node-sass-5.0.0.tgz",
+			"integrity": "sha512-opNgmlu83ZCF792U281Ry7tak9IbVC+AKnXGovcQ8LG8wFaJv6cLnRlc6DIHlmNxWEexB5bZxi9SZ9JyUuOYjw==",
 			"dev": true,
 			"requires": {
 				"async-foreach": "^0.1.3",
 				"chalk": "^1.1.1",
-				"cross-spawn": "^3.0.0",
+				"cross-spawn": "^7.0.3",
 				"gaze": "^1.0.0",
 				"get-stdin": "^4.0.1",
 				"glob": "^7.0.3",
-				"in-publish": "^2.0.0",
 				"lodash": "^4.17.15",
 				"meow": "^3.7.0",
 				"mkdirp": "^0.5.1",
 				"nan": "^2.13.2",
-				"node-gyp": "^3.8.0",
+				"node-gyp": "^7.1.0",
 				"npmlog": "^4.0.0",
 				"request": "^2.88.0",
 				"sass-graph": "2.2.5",
@@ -9552,16 +9572,6 @@
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 					}
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-				"cross-spawn": {
-					"version": "3.0.1",
-					"resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-3.0.1.tgz",
-					"integrity": "sha1-ElYDfsufDF9549bvE14wdwGEuYI=",
-					"dev": true,
-					"requires": {
-						"lru-cache": "^4.0.1",
-						"which": "^1.2.9"
-					}
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 				"get-stdin": {
 					"version": "4.0.1",
 					"resolved": "https://registry.npmjs.org/get-stdin/-/get-stdin-4.0.1.tgz",
@@ -9582,22 +9592,13 @@
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 					"integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
 					"dev": true
-				},
-				"which": {
-					"version": "1.3.1",
-					"resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
-					"integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
-					"dev": true,
-					"requires": {
-						"isexe": "^2.0.0"
-					}
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 		},
 		"nopt": {
-			"version": "3.0.6",
-			"resolved": "https://registry.npmjs.org/nopt/-/nopt-3.0.6.tgz",
-			"integrity": "sha1-xkZdvwirzU2zWTF/eaxopkayj/k=",
+			"version": "5.0.0",
+			"resolved": "https://registry.npmjs.org/nopt/-/nopt-5.0.0.tgz",
+			"integrity": "sha512-Tbj67rffqceeLpcRXrT7vKAN8CwfPeIBgM7E6iBkmKLV7bEMwpGgYLGv0jACUsECaa/vuxP0IjEont6umdMgtQ==",
 			"dev": true,
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@@ -9987,28 +9988,6 @@
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 		},
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-			"resolved": "https://registry.npmjs.org/os-homedir/-/os-homedir-1.0.2.tgz",
-			"integrity": "sha1-/7xJiDNuDoM94MFox+8VISGqf7M=",
-			"dev": true
-		},
-		"os-tmpdir": {
-			"version": "1.0.2",
-			"resolved": "https://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz",
-			"integrity": "sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ=",
-			"dev": true
-		},
-		"osenv": {
-			"version": "0.1.5",
-			"resolved": "https://registry.npmjs.org/osenv/-/osenv-0.1.5.tgz",
-			"integrity": "sha512-0CWcCECdMVc2Rw3U5w9ZjqX6ga6ubk1xDVKxtBQPK7wis/0F2r9T6k4ydGYhecl7YUBxBVxhL5oisPsNxAPe2g==",
-			"dev": true,
-			"requires": {
-				"os-homedir": "^1.0.0",
-				"os-tmpdir": "^1.0.0"
-			}
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 		"p-cancelable": {
 			"version": "1.1.0",
 			"resolved": "https://registry.npmjs.org/p-cancelable/-/p-cancelable-1.1.0.tgz",
@@ -15188,14 +15167,37 @@
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-			"resolved": "https://registry.npmjs.org/tar/-/tar-2.2.2.tgz",
-			"integrity": "sha512-FCEhQ/4rE1zYv9rYXJw/msRqsnmlje5jHP6huWeBZ704jUTy02c5AZyWujpMR1ax6mVw9NyJMfuK2CMDWVIfgA==",
+			"version": "6.0.5",
+			"resolved": "https://registry.npmjs.org/tar/-/tar-6.0.5.tgz",
+			"integrity": "sha512-0b4HOimQHj9nXNEAA7zWwMM91Zhhba3pspja6sQbgTpynOJf+bkjBnfybNYzbpLbnwXnbyB4LOREvlyXLkCHSg==",
 			"dev": true,
 			"requires": {
-				"block-stream": "*",
-				"fstream": "^1.0.12",
-				"inherits": "2"
+				"chownr": "^2.0.0",
+				"fs-minipass": "^2.0.0",
+				"minipass": "^3.0.0",
+				"minizlib": "^2.1.1",
+				"mkdirp": "^1.0.3",
+				"yallist": "^4.0.0"
+			},
+			"dependencies": {
+				"chownr": {
+					"version": "2.0.0",
+					"resolved": "https://registry.npmjs.org/chownr/-/chownr-2.0.0.tgz",
+					"integrity": "sha512-bIomtDF5KGpdogkLd9VspvFzk9KfpyyGlS8YFVZl7TGPBHL5snIOnxeshwVgPteQ9b4Eydl+pVbIyE1DcvCWgQ==",
+					"dev": true
+				},
+				"mkdirp": {
+					"version": "1.0.4",
+					"resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.4.tgz",
+					"integrity": "sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==",
+					"dev": true
+				},
+				"yallist": {
+					"version": "4.0.0",
+					"resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+					"integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==",
+					"dev": true
+				}
 			}
 		},
 		"term-size": {
diff --git a/package.json b/package.json
index 661941f0..c1674b88 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
 		"eslint-config-vuepress": "^3.0.1",
 		"eslint-plugin-markdown": "^1.0.2",
 		"eslint-plugin-vue": "^7.1.0",
-		"node-sass": "^4.14.1",
+		"node-sass": "^5.0.0",
 		"prettier": "^2.1.2",
 		"sass-loader": "^10.0.5",
 		"vuepress": "^1.7.1",