diff --git a/src/tbank/tbank.client.ts b/src/tbank/tbank.client.ts
index e2d79e2..b9078c6 100644
--- a/src/tbank/tbank.client.ts
+++ b/src/tbank/tbank.client.ts
@@ -1,4 +1,8 @@
-import { Injectable, Logger, ServiceUnavailableException } from '@nestjs/common';
+import {
+  Injectable,
+  Logger,
+  ServiceUnavailableException,
+} from '@nestjs/common';
 import { ConfigService } from '@nestjs/config';
 import {
   ChannelCredentials,
@@ -108,16 +112,18 @@ export class TbankClient {
       ? ChannelCredentials.createSsl(readFileSync(caPath))
       : ChannelCredentials.createSsl();
     this.client = new Service(
-      config.getOrThrow('TBANK_GRPC_ENDPOINT'),
+      config.getOrThrow<string>('TBANK_GRPC_ENDPOINT'),
       credentials,
     );
     this.queue = new RateLimiter(
-      config.getOrThrow('TBANK_RATE_LIMIT_PER_SECOND'),
+      config.getOrThrow<number>('TBANK_RATE_LIMIT_PER_SECOND'),
     );
     this.logger.log({
       event: 'client_configured',
-      endpoint: config.getOrThrow('TBANK_GRPC_ENDPOINT'),
-      rateLimitPerSecond: config.getOrThrow('TBANK_RATE_LIMIT_PER_SECOND'),
+      endpoint: config.getOrThrow<string>('TBANK_GRPC_ENDPOINT'),
+      rateLimitPerSecond: config.getOrThrow<number>(
+        'TBANK_RATE_LIMIT_PER_SECOND',
+      ),
       customCa: Boolean(caPath),
     });
   }
@@ -155,7 +161,10 @@ export class TbankClient {
           status.RESOURCE_EXHAUSTED,
         ].includes(code)
       ) {
-        this.logger.log({ event: 'get_accounts_retry_scheduled', delayMs: 1000 });
+        this.logger.log({
+          event: 'get_accounts_retry_scheduled',
+          delayMs: 1000,
+        });
         await new Promise((resolve) => setTimeout(resolve, 1000));
         return this.call(token, false);
       }