diff --git a/.changeset/@graphql-eslint_eslint-plugin-2783-dependencies.md b/.changeset/@graphql-eslint_eslint-plugin-2783-dependencies.md
new file mode 100644
index 00000000000..e66f48e25d9
--- /dev/null
+++ b/.changeset/@graphql-eslint_eslint-plugin-2783-dependencies.md
@@ -0,0 +1,5 @@
+---
+"@graphql-eslint/eslint-plugin": patch
+---
+dependencies updates:
+  - Added dependency [`json-schema-to-ts@^3` ↗︎](https://www.npmjs.com/package/json-schema-to-ts/v/3.0.0) (to `peerDependencies`)
diff --git a/.changeset/spotty-vans-protect.md b/.changeset/spotty-vans-protect.md
new file mode 100644
index 00000000000..d578b207517
--- /dev/null
+++ b/.changeset/spotty-vans-protect.md
@@ -0,0 +1,5 @@
+---
+'@graphql-eslint/eslint-plugin': minor
+---
+
+add `json-schema-to-ts` as optional peer dependency
diff --git a/packages/plugin/package.json b/packages/plugin/package.json
index c61220bb470..f08ac406718 100644
--- a/packages/plugin/package.json
+++ b/packages/plugin/package.json
@@ -36,7 +36,13 @@
   },
   "peerDependencies": {
     "eslint": ">=8.44.0",
-    "graphql": "^16"
+    "graphql": "^16",
+    "json-schema-to-ts": "^3"
+  },
+  "peerDependenciesMeta": {
+    "json-schema-to-ts": {
+      "optional": true
+    }
   },
   "dependencies": {
     "@graphql-tools/code-file-loader": "^8.0.0",
diff --git a/packages/rule-tester/src/index.ts b/packages/rule-tester/src/index.ts
index bb315a22240..07e9c72b29b 100644
--- a/packages/rule-tester/src/index.ts
+++ b/packages/rule-tester/src/index.ts
@@ -26,8 +26,8 @@ function applyFix(code: string, { range, text }: Rule.Fix): string {
 }
 
 // @ts-expect-error -- Extend RegExp with a custom toJSON method
-RegExp.prototype.toJSON = function() {
-  return `/${this.source}/${this.flags}`
+RegExp.prototype.toJSON = function () {
+  return `/${this.source}/${this.flags}`;
 };
 
 export class RuleTester<ParserOptions> extends ESLintRuleTester {