diff --git a/packages/plugins/typescript/operations/CHANGELOG.md b/packages/plugins/typescript/operations/CHANGELOG.md
index 9c87944a3fd..10161e07836 100644
--- a/packages/plugins/typescript/operations/CHANGELOG.md
+++ b/packages/plugins/typescript/operations/CHANGELOG.md
@@ -1,5 +1,14 @@
 # @graphql-codegen/typescript-operations
 
+## 6.0.4
+
+### Patch Changes
+
+- [#10806](https://github.com/dotansimha/graphql-code-generator/pull/10806)
+  [`16b9529`](https://github.com/dotansimha/graphql-code-generator/commit/16b95293c36046ed9328bab629c9a2baf4430f5f)
+  Thanks [@vinassefranche](https://github.com/vinassefranche)! - Fix Array used instead of
+  ReadonlyArray while immutableTypes config is true
+
 ## 6.0.3
 
 ### Patch Changes
diff --git a/packages/plugins/typescript/operations/package.json b/packages/plugins/typescript/operations/package.json
index 8007b703cf3..d2b1941596c 100644
--- a/packages/plugins/typescript/operations/package.json
+++ b/packages/plugins/typescript/operations/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@graphql-codegen/typescript-operations",
-  "version": "6.0.3",
+  "version": "6.0.4",
   "type": "module",
   "description": "GraphQL Code Generator plugin for generating TypeScript types for GraphQL queries, mutations, subscriptions and fragments",
   "repository": {
diff --git a/packages/plugins/typescript/operations/src/visitor.ts b/packages/plugins/typescript/operations/src/visitor.ts
index 6b9e7d3eb95..8f8461b0210 100644
--- a/packages/plugins/typescript/operations/src/visitor.ts
+++ b/packages/plugins/typescript/operations/src/visitor.ts
@@ -327,7 +327,8 @@ export class TypeScriptDocumentsVisitor extends BaseDocumentsVisitor<
       }
 
       if (typeNode.type === 'ListType') {
-        typePart = `Array<${typePart}>`;
+        const listModifier = this.config.immutableTypes ? 'ReadonlyArray' : 'Array';
+        typePart = `${listModifier}<${typePart}>`;
         if (!typeNode.isNonNullable) {
           typePart = printTypeScriptMaybeType({
             type: typePart,
diff --git a/packages/plugins/typescript/operations/tests/ts-documents.standalone.input.spec.ts b/packages/plugins/typescript/operations/tests/ts-documents.standalone.input.spec.ts
index 9654ad5955f..b4ef422bd22 100644
--- a/packages/plugins/typescript/operations/tests/ts-documents.standalone.input.spec.ts
+++ b/packages/plugins/typescript/operations/tests/ts-documents.standalone.input.spec.ts
@@ -241,10 +241,10 @@ describe('TypeScript Operations Plugin - Input', () => {
         readonly to?: Date | null | undefined;
         readonly timezone?: unknown;
         readonly role?: UserRole | null | undefined;
-        readonly ageRange1?: Array<number | null | undefined> | null | undefined;
-        readonly ageRange2: Array<number | null | undefined>;
-        readonly ageRange3?: Array<number> | null | undefined;
-        readonly ageRange4: Array<number>;
+        readonly ageRange1?: ReadonlyArray<number | null | undefined> | null | undefined;
+        readonly ageRange2: ReadonlyArray<number | null | undefined>;
+        readonly ageRange3?: ReadonlyArray<number> | null | undefined;
+        readonly ageRange4: ReadonlyArray<number>;
         readonly bestFriend?: UsersBestFriendInput | null | undefined;
         readonly nestedInput?: UsersInput | null | undefined;
       };