diff --git a/packages/common/interfaces/modules/module-metadata.interface.ts b/packages/common/interfaces/modules/module-metadata.interface.ts
index 9d6699cba74..2cc3ca27d2c 100644
--- a/packages/common/interfaces/modules/module-metadata.interface.ts
+++ b/packages/common/interfaces/modules/module-metadata.interface.ts
@@ -16,7 +16,7 @@ export interface ModuleMetadata {
    * Optional list of imported modules that export the providers which are
    * required in this module.
    */
-  imports?: Array<
+  imports?: ReadonlyArray<
     Type<any> | DynamicModule | Promise<DynamicModule> | ForwardReference
   >;
   /**
@@ -33,7 +33,7 @@ export interface ModuleMetadata {
    * Optional list of the subset of providers that are provided by this module
    * and should be available in other modules which import this module.
    */
-  exports?: Array<
+  exports?: ReadonlyArray<
     | DynamicModule
     | Promise<DynamicModule>
     | string
diff --git a/packages/core/injector/container.ts b/packages/core/injector/container.ts
index e9418a1b8a8..8d78c6da0db 100644
--- a/packages/core/injector/container.ts
+++ b/packages/core/injector/container.ts
@@ -173,7 +173,10 @@ export class NestContainer {
     await this.addDynamicModules(imports, scope);
   }
 
-  public async addDynamicModules(modules: any[], scope: Type<any>[]) {
+  public async addDynamicModules(
+    modules: ReadonlyArray<any>,
+    scope: Type<any>[],
+  ) {
     if (!modules) {
       return;
     }
diff --git a/packages/core/test/injector/container.spec.ts b/packages/core/test/injector/container.spec.ts
index e9916a4aa40..8a3da3441a3 100644
--- a/packages/core/test/injector/container.spec.ts
+++ b/packages/core/test/injector/container.spec.ts
@@ -210,6 +210,16 @@ describe('NestContainer', () => {
         expect(addModuleSpy.called).to.be.true;
       });
     });
+    describe('when array is readonly', () => {
+      it('should call "addModule"', () => {
+        const addModuleSpy = sinon.spy(container, 'addModule');
+
+        const readonlyModules: ReadonlyArray<any> = Object.freeze([Test]);
+        container.addDynamicModules(readonlyModules, []);
+
+        expect(addModuleSpy.called).to.be.true;
+      });
+    });
   });
 
   describe('get applicationConfig', () => {