diff --git a/lib/rules/no-unused-keyframes.ts b/lib/rules/no-unused-keyframes.ts
index 5ae45de5..5d1d27d5 100644
--- a/lib/rules/no-unused-keyframes.ts
+++ b/lib/rules/no-unused-keyframes.ts
@@ -88,11 +88,11 @@ module.exports = {
                         }
                     } else if (node.type === "VCSSDeclarationProperty") {
                         // individual animation-name declaration
-                        if (/^(-\w+-)?animation-name$/u.test(node.property)) {
+                        if (/^(?:-\w+-)?animation-name$/u.test(node.property)) {
                             animationNames.push(node)
                         }
                         // shorthand
-                        if (/^(-\w+-)?animation$/u.test(node.property)) {
+                        if (/^(?:-\w+-)?animation$/u.test(node.property)) {
                             animations.push(node)
                         }
                     }
diff --git a/lib/styles/template/scss/util.ts b/lib/styles/template/scss/util.ts
index a6fc9032..c91a5659 100644
--- a/lib/styles/template/scss/util.ts
+++ b/lib/styles/template/scss/util.ts
@@ -26,7 +26,7 @@ export function processValue(text: string): (Interpolation | string)[] {
     const elements = []
     const value = text
     let start = 0
-    const reg = /(#\{[\s\S]*?\})|\$[\w\d-]+/gu
+    const reg = /#\{[\s\S]*?\}|\$[\w\d-]+/gu
     let re = null
     while ((re = reg.exec(value))) {
         elements.push(value.slice(start, re.index))
diff --git a/package-lock.json b/package-lock.json
index 2d679e3c..916754e4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2594,9 +2594,9 @@
       }
     },
     "@ota-meshi/eslint-plugin": {
-      "version": "0.4.0",
-      "resolved": "https://registry.npmjs.org/@ota-meshi/eslint-plugin/-/eslint-plugin-0.4.0.tgz",
-      "integrity": "sha512-l08ImbTXOKOcxdi8Tt2bXVA2TQK5oOwEGHp7Be6nPeyzknPzqoWubOrPRklMmtqlAJRtljXnqEFbR0aw/D6uoA==",
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/@ota-meshi/eslint-plugin/-/eslint-plugin-0.5.0.tgz",
+      "integrity": "sha512-rZ8X+tLxhKrRX0P9ibZOTrKMEqEZCOqbfvNNiHmLpqkFDeQ0mWcKpeiMVcgTXYCqFbkuThA1yzFUFMCkgTL7PQ==",
       "dev": true,
       "requires": {
         "semver": "^7.3.4"
diff --git a/package.json b/package.json
index 969b4974..394c822d 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
         "dist"
     ],
     "devDependencies": {
-        "@ota-meshi/eslint-plugin": "^0.4.0",
+        "@ota-meshi/eslint-plugin": "^0.5.0",
         "@types/eslint": "^7.2.0",
         "@types/eslint-visitor-keys": "^1.0.0",
         "@types/estree": "^0.0.46",
diff --git a/tools/update-docs.ts b/tools/update-docs.ts
index 57181ef4..cb699a5e 100644
--- a/tools/update-docs.ts
+++ b/tools/update-docs.ts
@@ -159,7 +159,7 @@ class DocFile {
     public adjustCodeBlocks() {
         // Adjust the necessary blank lines before and after the code block so that GitHub can recognize `.md`.
         this.content = this.content.replace(
-            /(<eslint-code-block([\s\S]*?)>)\n+```/gmu,
+            /(<eslint-code-block[\s\S]*?>)\n+```/gmu,
             "$1\n\n```",
         )
         this.content = this.content.replace(
diff --git a/tools/update-readme.ts b/tools/update-readme.ts
index dc24bd53..4af252ad 100644
--- a/tools/update-readme.ts
+++ b/tools/update-readme.ts
@@ -38,10 +38,7 @@ fs.writeFileSync(
             /<!--USAGE_SECTION_START-->[\s\S]*<!--USAGE_SECTION_END-->/u,
             "See [User Guide](./user-guide/README.md).",
         )
-        .replace(
-            /<!--DOCS_IGNORE_START-->([\s\S]*?)<!--DOCS_IGNORE_END-->/gu,
-            "",
-        )
+        .replace(/<!--DOCS_IGNORE_START-->[\s\S]*?<!--DOCS_IGNORE_END-->/gu, "")
         .replace(
             /\(https:\/\/future-architect.github.io\/eslint-plugin-vue-scoped-css/gu,
             "(.",