diff --git a/internal/authPostman.go b/internal/authPostman.go
index 076504e..c617a38 100644
--- a/internal/authPostman.go
+++ b/internal/authPostman.go
@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"net"
 	"strconv"
+	"time"
 
 	"git.slaventius.ru/test3k/authPostman/internal/config"
 	kafka "git.slaventius.ru/test3k/authPostman/internal/transport/kafka"
@@ -21,7 +22,8 @@ type AuthPostmanServer struct {
 	kafkaReader *kafka.KafkaReader
 	logger      *logger.Logger
 	config      *config.Config
-	msgs        map[int64]bool
+	msgs        map[int64]time.Time
+	age         time.Duration
 }
 
 func NewServer(ctx context.Context, config *config.Config) *AuthPostmanServer {
@@ -33,7 +35,8 @@ func NewServer(ctx context.Context, config *config.Config) *AuthPostmanServer {
 		kafkaReader: kafka.NewReader(ctx, config, api.TopicRegistrations, address...),
 		logger:      logger,
 		config:      config,
-		msgs:        make(map[int64]bool),
+		msgs:        make(map[int64]time.Time),
+		age:         time.Minute * 5,
 	}
 }
 
@@ -70,7 +73,7 @@ func (s *AuthPostmanServer) ReadMessage(offset int64) error {
 
 			continue
 		} else {
-			s.msgs[msg.ID] = true
+			s.msgs[msg.ID] = time.Now()
 		}
 
 		//
@@ -99,5 +102,13 @@ func (s *AuthPostmanServer) ReadMessage(offset int64) error {
 		if erf != nil {
 			s.logger.Error(erf)
 		}
+
+		// !!!
+		no := time.Now()
+		for k, v := range s.msgs {
+			if s.age < no.Sub(v) {
+				delete(s.msgs, k)
+			}
+		}
 	}
 }