diff --git a/packages/nestjs-grpc-reflection/src/controllers/grpc-reflection.controller.ts b/packages/nestjs-grpc-reflection/src/controllers/grpc-reflection.controller.ts
index e931d235..9864316d 100644
--- a/packages/nestjs-grpc-reflection/src/controllers/grpc-reflection.controller.ts
+++ b/packages/nestjs-grpc-reflection/src/controllers/grpc-reflection.controller.ts
@@ -36,7 +36,7 @@ export class GrpcReflectionController {
             validHost: '',
             originalRequest: reflectionRequest,
             fileDescriptorResponse: {
-              fileDescriptorProto: [fileDescriptorProto],
+              fileDescriptorProto: [fileDescriptorProto as unknown as Uint8Array],
             },
           })
         } else {
diff --git a/packages/nestjs-grpc-reflection/src/grpc/grpc-services.registry.ts b/packages/nestjs-grpc-reflection/src/grpc/grpc-services.registry.ts
index c6d5f89c..0a9705e7 100644
--- a/packages/nestjs-grpc-reflection/src/grpc/grpc-services.registry.ts
+++ b/packages/nestjs-grpc-reflection/src/grpc/grpc-services.registry.ts
@@ -1,8 +1,7 @@
 import type { ServiceDefinition } from '@grpc/proto-loader'
 
 import { Injectable }             from '@nestjs/common'
-// @ts-expect-error
-import { FileDescriptorProto }    from 'google-protobuf/google/protobuf/descriptor_pb'
+import { FileDescriptorProto }    from 'google-protobuf/google/protobuf/descriptor_pb.js'
 
 @Injectable()
 export class GrpcServicesRegistry {
@@ -28,32 +27,27 @@ export class GrpcServicesRegistry {
 
   getFileDescriptorProtoByFileContainingSymbol(
     fileContainingSymbol: string
-    // eslint-disable-next-line @typescript-eslint/no-redundant-type-constituents
   ): FileDescriptorProto | undefined {
-    // eslint-disable-next-line @typescript-eslint/no-redundant-type-constituents
+    // @ts-expect-error
     return this.services.reduce<FileDescriptorProto | undefined>((fileDescriptorProto, service) => {
       if (fileDescriptorProto) {
-        // eslint-disable-next-line @typescript-eslint/no-unsafe-return
         return fileDescriptorProto
       }
 
-      // eslint-disable-next-line @typescript-eslint/no-unsafe-return, @typescript-eslint/no-redundant-type-constituents
+      // @ts-expect-error
       return Object.values(service).reduce<FileDescriptorProto | undefined>((
         descriptor,
         method
       ) => {
         if (descriptor) {
-          // eslint-disable-next-line @typescript-eslint/no-unsafe-return
           return descriptor
         }
 
         if (method.path.includes(fileContainingSymbol)) {
           return method.requestType.fileDescriptorProtos.find((fdp) => {
-            // eslint-disable-next-line @typescript-eslint/no-unsafe-call
             const fileDescriptor = FileDescriptorProto.deserializeBinary(fdp)
 
-            // eslint-disable-next-line @typescript-eslint/no-unsafe-argument, @typescript-eslint/no-unsafe-call
-            return fileContainingSymbol.includes(fileDescriptor.getPackage())
+            return fileContainingSymbol.includes(fileDescriptor.getPackage()!)
           })
         }