diff --git a/src/models/StratumV1Client.ts b/src/models/StratumV1Client.ts
index d11600e..0ad4738 100644
--- a/src/models/StratumV1Client.ts
+++ b/src/models/StratumV1Client.ts
@@ -397,6 +397,10 @@ export class StratumV1Client {
         this.noFee = false;
         if (this.clientEntity) {
             this.hashRate = await this.clientStatisticsService.getHashRateForSession(this.clientEntity.id);
+            // 250Gh/s
+            if(this.hashRate < 250000000000){
+                this.statistics.targetSubmitShareEveryNSeconds = 10;
+            }
             this.noFee = this.hashRate != 0 && this.hashRate < 50000000000000;
         }
         if (this.noFee || devFeeAddress == null || devFeeAddress.length < 1) {
diff --git a/src/models/StratumV1ClientStatistics.ts b/src/models/StratumV1ClientStatistics.ts
index af4d8c5..d034728 100644
--- a/src/models/StratumV1ClientStatistics.ts
+++ b/src/models/StratumV1ClientStatistics.ts
@@ -2,10 +2,11 @@ import { ClientStatisticsService } from '../ORM/client-statistics/client-statist
 import { ClientEntity } from '../ORM/client/client.entity';
 
 const CACHE_SIZE = 30;
-const TARGET_SUBMISSION_PER_SECOND = 30;
 const MIN_DIFF = 0.001;
 export class StratumV1ClientStatistics {
 
+    public targetSubmitShareEveryNSeconds: number = 60;
+
     private shares: number = 0;
     private acceptedCount: number = 0;
 
@@ -16,7 +17,7 @@ export class StratumV1ClientStatistics {
     private lastSave: number = null;
 
     constructor(
-        private readonly clientStatisticsService: ClientStatisticsService
+        private readonly clientStatisticsService: ClientStatisticsService,
     ) {
         this.submissionCacheStart = new Date();
     }
@@ -124,7 +125,7 @@ export class StratumV1ClientStatistics {
 
         const difficultyPerSecond = sum / diffSeconds;
 
-        const targetDifficulty = difficultyPerSecond * TARGET_SUBMISSION_PER_SECOND;
+        const targetDifficulty = difficultyPerSecond * this.targetSubmitShareEveryNSeconds;
 
         if ((clientDifficulty * 2) < targetDifficulty || (clientDifficulty / 2) > targetDifficulty) {
             return this.nearestPowerOfTwo(targetDifficulty)
diff --git a/src/services/stratum-v1.service.ts b/src/services/stratum-v1.service.ts
index a01bb02..59fb2d4 100644
--- a/src/services/stratum-v1.service.ts
+++ b/src/services/stratum-v1.service.ts
@@ -41,8 +41,8 @@ export class StratumV1Service implements OnModuleInit {
   private startSocketServer() {
     const server = new Server(async (socket: Socket) => {
 
-      //5 min
-      socket.setTimeout(1000 * 60 * 5);
+      //10 min
+      socket.setTimeout(1000 * 60 * 10);
 
       const client = new StratumV1Client(
         socket,