diff --git a/.eslintrc.json b/.eslintrc.json
index 409c73766..dc0dc009b 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -9,6 +9,7 @@
   "plugins": [
     "deprecation",
     "jest",
+    "prefer-arrow-functions",
     "simple-import-sort",
     "@typescript-eslint"
   ],
@@ -19,11 +20,19 @@
     "plugin:prettier/recommended"
   ],
   "rules": {
-    "deprecation/deprecation": "warn",
+    "arrow-body-style": ["error", "as-needed"],
+    "camelcase": ["error", {"allow": ["issue_number"]}],
     "no-warning-comments": "warn",
+    "strict": ["error", "never"],
+    "deprecation/deprecation": "warn",
+    "prefer-arrow-functions/prefer-arrow-functions": [
+      "error",
+      {
+        "allowNamedFunctions": true
+      }
+    ],
     "simple-import-sort/imports": "error",
     "simple-import-sort/exports": "error",
-    "strict": ["error", "never"],
     "@typescript-eslint/array-type": ["error", { "default": "generic" }],
     "@typescript-eslint/consistent-type-exports": "error",
     "@typescript-eslint/consistent-type-imports": "error",
diff --git a/dist/index.js b/dist/index.js
index 532af6c85..f134e675f 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -10189,7 +10189,7 @@ function getIssue() {
     return __awaiter(this, void 0, void 0, function* () {
         const issues = yield (0, octokit_1.octokit)()
             .rest.issues.listForRepo(Object.assign(Object.assign({}, (0, repo_1.repo)()), { creator: "github-actions[bot]", labels: "wpvc" }))
-            .catch(function (e) {
+            .catch((e) => {
             throw new IssueListError_1.IssueListError(String(e));
         });
         return issues.data.length > 0 ? issues.data[0].number : null;
@@ -10200,7 +10200,7 @@ function commentOnIssue(issue, comment) {
     return __awaiter(this, void 0, void 0, function* () {
         yield (0, octokit_1.octokit)()
             .rest.issues.createComment(Object.assign(Object.assign({}, (0, repo_1.repo)()), { issue_number: issue, body: comment }))
-            .catch(function (e) {
+            .catch((e) => {
             throw new IssueCommentError_1.IssueCommentError(issue, String(e));
         });
     });
@@ -10210,7 +10210,7 @@ function closeIssue(issue) {
     return __awaiter(this, void 0, void 0, function* () {
         yield (0, octokit_1.octokit)()
             .rest.issues.update(Object.assign(Object.assign({}, (0, repo_1.repo)()), { issue_number: issue, state: "closed" }))
-            .catch(function (e) {
+            .catch((e) => {
             throw new IssueUpdateError_1.IssueUpdateError(issue, String(e));
         });
     });
@@ -10221,7 +10221,7 @@ function createIssue(title, body, assignees) {
         yield (0, octokit_1.octokit)()
             .rest.issues.create(Object.assign(Object.assign({}, (0, repo_1.repo)()), { title,
             body, labels: ["wpvc"], assignees }))
-            .catch(function (e) {
+            .catch((e) => {
             throw new IssueCreationError_1.IssueCreationError(String(e));
         });
     });
@@ -10231,7 +10231,7 @@ function updateIssue(issueNumber, title, body) {
     return __awaiter(this, void 0, void 0, function* () {
         const issue = yield (0, octokit_1.octokit)()
             .rest.issues.get(Object.assign(Object.assign({}, (0, repo_1.repo)()), { issue_number: issueNumber }))
-            .catch(function (e) {
+            .catch((e) => {
             throw new GetIssueError_1.GetIssueError(issueNumber, String(e));
         });
         if (issue.data.title === title && issue.data.body === body) {
@@ -10240,7 +10240,7 @@ function updateIssue(issueNumber, title, body) {
         yield (0, octokit_1.octokit)()
             .rest.issues.update(Object.assign(Object.assign({}, (0, repo_1.repo)()), { issue_number: issueNumber, title,
             body }))
-            .catch(function (e) {
+            .catch((e) => {
             throw new IssueUpdateError_1.IssueUpdateError(issueNumber, String(e));
         });
     });
@@ -10585,7 +10585,7 @@ function readme(config) {
         for (const readmeLocation of config.readme) {
             const result = yield (0, octokit_1.octokit)()
                 .rest.repos.getContent(Object.assign(Object.assign({}, (0, repo_1.repo)()), { path: readmeLocation }))
-                .catch(function (e) {
+                .catch((e) => {
                 if ((0, has_status_1.hasStatus)(e) && e.status === 404) {
                     return null;
                 }
@@ -10698,15 +10698,15 @@ const https = __importStar(__nccwpck_require__(5687));
 const LatestVersionError_1 = __nccwpck_require__(4241);
 function httpsRequest(options) {
     return __awaiter(this, void 0, void 0, function* () {
-        return new Promise(function (resolve, reject) {
+        return new Promise((resolve, reject) => {
             https
-                .get(options, function (response) {
+                .get(options, (response) => {
                 let data = "";
                 response.setEncoding("utf8");
                 response.on("data", (chunk) => {
                     data += chunk;
                 });
-                response.on("end", function () {
+                response.on("end", () => {
                     if (response.statusCode === 200) {
                         resolve(data);
                     }
@@ -10737,7 +10737,7 @@ function wordpressVersions() {
         const rawData = yield httpsRequest({
             host: "api.wordpress.org",
             path: "/core/version-check/1.7/?channel=beta",
-        }).catch(function (e) {
+        }).catch((e) => {
             throw new LatestVersionError_1.LatestVersionError(e);
         });
         let response = {};
@@ -10834,7 +10834,7 @@ function WPVCConfig() {
     return __awaiter(this, void 0, void 0, function* () {
         const file = yield (0, octokit_1.octokit)()
             .rest.repos.getContent(Object.assign(Object.assign({}, (0, repo_1.repo)()), { path: ".wordpress-version-checker.json" }))
-            .catch(function (e) {
+            .catch((e) => {
             if ((0, has_status_1.hasStatus)(e) && e.status === 404) {
                 return null;
             }
diff --git a/package-lock.json b/package-lock.json
index 75f24d831..f591b8ec7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,6 +24,7 @@
         "eslint-config-prettier": "^9.0.0",
         "eslint-plugin-deprecation": "^2.0.0",
         "eslint-plugin-jest": "^27.4.2",
+        "eslint-plugin-prefer-arrow-functions": "^3.2.4",
         "eslint-plugin-prettier": "^5.0.1",
         "eslint-plugin-simple-import-sort": "^10.0.0",
         "jest": "^29.7.0",
@@ -3037,6 +3038,15 @@
         "node": ">=4.0"
       }
     },
+    "node_modules/eslint-plugin-prefer-arrow-functions": {
+      "version": "3.2.4",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-prefer-arrow-functions/-/eslint-plugin-prefer-arrow-functions-3.2.4.tgz",
+      "integrity": "sha512-HbPmlbO/iYQeVs2fuShNkGVJDfVfgSd84Vzxv+xlh+nIVoSsZvTj6yOqszw4mtG9JbiqMShVWqbVeoVsejE59w==",
+      "dev": true,
+      "peerDependencies": {
+        "eslint": ">=5.0.0"
+      }
+    },
     "node_modules/eslint-plugin-prettier": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/eslint-plugin-prettier/-/eslint-plugin-prettier-5.0.1.tgz",
diff --git a/package.json b/package.json
index c133f0089..d479f8b52 100644
--- a/package.json
+++ b/package.json
@@ -35,6 +35,7 @@
     "eslint-config-prettier": "^9.0.0",
     "eslint-plugin-deprecation": "^2.0.0",
     "eslint-plugin-jest": "^27.4.2",
+    "eslint-plugin-prefer-arrow-functions": "^3.2.4",
     "eslint-plugin-prettier": "^5.0.1",
     "eslint-plugin-simple-import-sort": "^10.0.0",
     "jest": "^29.7.0",
diff --git a/src/issue-management.ts b/src/issue-management.ts
index f64751978..2e8cf3bbe 100644
--- a/src/issue-management.ts
+++ b/src/issue-management.ts
@@ -13,7 +13,7 @@ export async function getIssue(): Promise<number | null> {
       creator: "github-actions[bot]",
       labels: "wpvc",
     })
-    .catch(function (e): never {
+    .catch((e): never => {
       throw new IssueListError(String(e));
     });
   return issues.data.length > 0 ? issues.data[0].number : null;
@@ -29,7 +29,7 @@ export async function commentOnIssue(
       issue_number: issue,
       body: comment,
     })
-    .catch(function (e): never {
+    .catch((e): never => {
       throw new IssueCommentError(issue, String(e));
     });
 }
@@ -41,7 +41,7 @@ export async function closeIssue(issue: number): Promise<void> {
       issue_number: issue,
       state: "closed",
     })
-    .catch(function (e): never {
+    .catch((e): never => {
       throw new IssueUpdateError(issue, String(e));
     });
 }
@@ -59,7 +59,7 @@ export async function createIssue(
       labels: ["wpvc"],
       assignees,
     })
-    .catch(function (e): never {
+    .catch((e): never => {
       throw new IssueCreationError(String(e));
     });
 }
@@ -71,7 +71,7 @@ export async function updateIssue(
 ): Promise<void> {
   const issue = await octokit()
     .rest.issues.get({ ...repo(), issue_number: issueNumber })
-    .catch(function (e): never {
+    .catch((e): never => {
       throw new GetIssueError(issueNumber, String(e));
     });
   if (issue.data.title === title && issue.data.body === body) {
@@ -84,7 +84,7 @@ export async function updateIssue(
       title,
       body,
     })
-    .catch(function (e): never {
+    .catch((e): never => {
       throw new IssueUpdateError(issueNumber, String(e));
     });
 }
diff --git a/src/tested-version.ts b/src/tested-version.ts
index a12cbf9af..7e94b0099 100644
--- a/src/tested-version.ts
+++ b/src/tested-version.ts
@@ -8,7 +8,7 @@ async function readme(config: Config): Promise<string> {
   for (const readmeLocation of config.readme) {
     const result = await octokit()
       .rest.repos.getContent({ ...repo(), path: readmeLocation })
-      .catch(function (e: unknown): never | null {
+      .catch((e: unknown): never | null => {
         if (hasStatus(e) && e.status === 404) {
           return null;
         } else {
diff --git a/src/wordpress-versions.ts b/src/wordpress-versions.ts
index 5171c7c8c..1e07cf605 100644
--- a/src/wordpress-versions.ts
+++ b/src/wordpress-versions.ts
@@ -5,15 +5,15 @@ import type { VersionCheckResponse } from "./interfaces/VersionCheckResponse";
 import type { WordpressVersions } from "./interfaces/WordpressVersions";
 
 async function httpsRequest(options: https.RequestOptions): Promise<string> {
-  return new Promise(function (resolve, reject) {
+  return new Promise((resolve, reject) => {
     https
-      .get(options, function (response) {
+      .get(options, (response) => {
         let data = "";
         response.setEncoding("utf8");
         response.on("data", (chunk): void => {
           data += chunk;
         });
-        response.on("end", function (): void {
+        response.on("end", (): void => {
           if (response.statusCode === 200) {
             resolve(data);
           } else {
@@ -45,7 +45,7 @@ export async function wordpressVersions(): Promise<WordpressVersions> {
   const rawData = await httpsRequest({
     host: "api.wordpress.org",
     path: "/core/version-check/1.7/?channel=beta",
-  }).catch(function (e: string): never {
+  }).catch((e: string): never => {
     throw new LatestVersionError(e);
   });
   let response: VersionCheckResponse = {};
diff --git a/src/wpvc-config.ts b/src/wpvc-config.ts
index 9ef5db329..38aa05e1f 100644
--- a/src/wpvc-config.ts
+++ b/src/wpvc-config.ts
@@ -59,7 +59,7 @@ export async function WPVCConfig(): Promise<Config> {
       ...repo(),
       path: ".wordpress-version-checker.json",
     })
-    .catch(function (e: unknown): never | null {
+    .catch((e: unknown): never | null => {
       if (hasStatus(e) && e.status === 404) {
         return null;
       } else {