diff --git a/package-lock.json b/package-lock.json
index 67d13b5..9f87ec4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -414,7 +414,7 @@
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-      "resolved": "http://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
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-          "resolved": "http://registry.npmjs.org/espree/-/espree-3.5.4.tgz",
+          "resolved": "https://registry.npmjs.org/espree/-/espree-3.5.4.tgz",
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@@ -4406,7 +4408,7 @@
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-          "resolved": "http://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
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-          "resolved": "http://registry.npmjs.org/regexpp/-/regexpp-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/regexpp/-/regexpp-1.1.0.tgz",
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-          "resolved": "http://registry.npmjs.org/espree/-/espree-3.5.4.tgz",
+          "resolved": "https://registry.npmjs.org/espree/-/espree-3.5.4.tgz",
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@@ -4636,7 +4638,7 @@
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-          "resolved": "http://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
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-          "resolved": "http://registry.npmjs.org/regexpp/-/regexpp-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/regexpp/-/regexpp-1.1.0.tgz",
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-      "resolved": "http://registry.npmjs.org/require-uncached/-/require-uncached-1.0.3.tgz",
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@@ -5975,7 +5977,7 @@
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-      "resolved": "http://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
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-      "resolved": "http://registry.npmjs.org/strip-eof/-/strip-eof-1.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/strip-eof/-/strip-eof-1.0.0.tgz",
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-      "resolved": "http://registry.npmjs.org/through/-/through-2.3.8.tgz",
+      "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
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+      "optional": true,
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@@ -6680,6 +6683,7 @@
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+          "optional": true,
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@@ -6688,7 +6692,8 @@
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+          "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==",
+          "optional": true
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-          "resolved": "http://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
           "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
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@@ -6739,7 +6744,7 @@
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-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
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diff --git a/package.json b/package.json
index 83d88f0..30ab960 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,9 @@
     "lint:scripts": "prettier-eslint '**/*.js' --write --list-different",
     "test": "npm run lint"
   },
+  "optionalDependencies": {
+    "eslint-plugin-vue": "^5.0.0"
+  },
   "dependencies": {
     "babel-eslint": "^10.0.1",
     "eslint-config-standard": "^12.0.0",
@@ -19,7 +22,6 @@
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     "eslint-plugin-promise": "^4.0.1",
     "eslint-plugin-standard": "^4.0.0",
-    "eslint-plugin-vue": "^5.0.0",
     "prettier-eslint-cli": "^4.7.1"
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