diff --git a/application/src/main/java/org/thingsboard/server/service/queue/DefaultTbCoreConsumerService.java b/application/src/main/java/org/thingsboard/server/service/queue/DefaultTbCoreConsumerService.java
index cdb3f19601..445d1a6bba 100644
--- a/application/src/main/java/org/thingsboard/server/service/queue/DefaultTbCoreConsumerService.java
+++ b/application/src/main/java/org/thingsboard/server/service/queue/DefaultTbCoreConsumerService.java
@@ -94,6 +94,7 @@ import org.thingsboard.server.service.queue.processing.IdMsgPair;
 import org.thingsboard.server.service.resource.TbImageService;
 import org.thingsboard.server.service.rpc.TbCoreDeviceRpcService;
 import org.thingsboard.server.service.security.auth.jwt.settings.JwtSettingsService;
+import org.thingsboard.server.service.security.model.token.JwtTokenFactory;
 import org.thingsboard.server.service.state.DeviceStateService;
 import org.thingsboard.server.service.subscription.SubscriptionManagerService;
 import org.thingsboard.server.service.subscription.TbLocalSubscriptionService;
@@ -172,10 +173,12 @@ public class DefaultTbCoreConsumerService extends AbstractConsumerService<ToCore
                                         PartitionService partitionService,
                                         ApplicationEventPublisher eventPublisher,
                                         JwtSettingsService jwtSettingsService,
+                                        JwtTokenFactory jwtTokenFactory,
                                         NotificationSchedulerService notificationSchedulerService,
                                         NotificationRuleProcessor notificationRuleProcessor,
                                         TbImageService imageService) {
-        super(actorContext, tenantProfileCache, deviceProfileCache, assetProfileCache, apiUsageStateService, partitionService, eventPublisher, tbCoreQueueFactory.createToCoreNotificationsMsgConsumer(), jwtSettingsService);
+        super(actorContext, tenantProfileCache, deviceProfileCache, assetProfileCache, apiUsageStateService, partitionService,
+                eventPublisher, tbCoreQueueFactory.createToCoreNotificationsMsgConsumer(), jwtSettingsService, jwtTokenFactory);
         this.mainConsumer = tbCoreQueueFactory.createToCoreMsgConsumer();
         this.usageStatsConsumer = tbCoreQueueFactory.createToUsageStatsServiceMsgConsumer();
         this.firmwareStatesConsumer = tbCoreQueueFactory.createToOtaPackageStateServiceMsgConsumer();
diff --git a/application/src/main/java/org/thingsboard/server/service/queue/DefaultTbRuleEngineConsumerService.java b/application/src/main/java/org/thingsboard/server/service/queue/DefaultTbRuleEngineConsumerService.java
index 964207b382..1bb964811d 100644
--- a/application/src/main/java/org/thingsboard/server/service/queue/DefaultTbRuleEngineConsumerService.java
+++ b/application/src/main/java/org/thingsboard/server/service/queue/DefaultTbRuleEngineConsumerService.java
@@ -56,6 +56,8 @@ import org.thingsboard.server.service.rpc.TbRuleEngineDeviceRpcService;
 import org.thingsboard.server.service.security.auth.jwt.settings.JwtSettingsService;
 
 import jakarta.annotation.PostConstruct;
+import org.thingsboard.server.service.security.model.token.JwtTokenFactory;
+
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
@@ -86,9 +88,10 @@ public class DefaultTbRuleEngineConsumerService extends AbstractConsumerService<
                                               TbApiUsageStateService apiUsageStateService,
                                               PartitionService partitionService,
                                               ApplicationEventPublisher eventPublisher,
-                                              JwtSettingsService jwtSettingsService) {
+                                              JwtSettingsService jwtSettingsService,
+                                              JwtTokenFactory jwtTokenFactory) {
         super(actorContext, tenantProfileCache, deviceProfileCache, assetProfileCache, apiUsageStateService, partitionService,
-                eventPublisher, tbRuleEngineQueueFactory.createToRuleEngineNotificationsMsgConsumer(), jwtSettingsService);
+                eventPublisher, tbRuleEngineQueueFactory.createToRuleEngineNotificationsMsgConsumer(), jwtSettingsService, jwtTokenFactory);
         this.ctx = ctx;
         this.tbDeviceRpcService = tbDeviceRpcService;
         this.queueService = queueService;
diff --git a/application/src/main/java/org/thingsboard/server/service/queue/processing/AbstractConsumerService.java b/application/src/main/java/org/thingsboard/server/service/queue/processing/AbstractConsumerService.java
index e5233c812e..d97e67804c 100644
--- a/application/src/main/java/org/thingsboard/server/service/queue/processing/AbstractConsumerService.java
+++ b/application/src/main/java/org/thingsboard/server/service/queue/processing/AbstractConsumerService.java
@@ -48,6 +48,8 @@ import org.thingsboard.server.service.queue.TbPackProcessingContext;
 import org.thingsboard.server.service.security.auth.jwt.settings.JwtSettingsService;
 
 import jakarta.annotation.PreDestroy;
+import org.thingsboard.server.service.security.model.token.JwtTokenFactory;
+
 import java.util.List;
 import java.util.UUID;
 import java.util.concurrent.ConcurrentHashMap;
@@ -75,6 +77,7 @@ public abstract class AbstractConsumerService<N extends com.google.protobuf.Gene
 
     protected final TbQueueConsumer<TbProtoQueueMsg<N>> nfConsumer;
     protected final JwtSettingsService jwtSettingsService;
+    protected final JwtTokenFactory jwtTokenFactory;
 
     public void init(String nfConsumerThreadName) {
         this.notificationsConsumerExecutor = Executors.newSingleThreadExecutor(ThingsBoardThreadFactory.forName(nfConsumerThreadName));
@@ -163,6 +166,7 @@ public abstract class AbstractConsumerService<N extends com.google.protobuf.Gene
         } else if (EntityType.TENANT.equals(componentLifecycleMsg.getEntityId().getEntityType())) {
             if (TenantId.SYS_TENANT_ID.equals(tenantId)) {
                 jwtSettingsService.reloadJwtSettings();
+                jwtTokenFactory.reload();
                 return;
             } else {
                 tenantProfileCache.evict(tenantId);
diff --git a/application/src/main/java/org/thingsboard/server/service/security/auth/jwt/settings/DefaultJwtSettingsService.java b/application/src/main/java/org/thingsboard/server/service/security/auth/jwt/settings/DefaultJwtSettingsService.java
index 92019341c8..537f063bf2 100644
--- a/application/src/main/java/org/thingsboard/server/service/security/auth/jwt/settings/DefaultJwtSettingsService.java
+++ b/application/src/main/java/org/thingsboard/server/service/security/auth/jwt/settings/DefaultJwtSettingsService.java
@@ -15,7 +15,6 @@
  */
 package org.thingsboard.server.service.security.auth.jwt.settings;
 
-import io.jsonwebtoken.Jwts;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
@@ -31,6 +30,8 @@ import java.util.Base64;
 import java.util.Objects;
 import java.util.Optional;
 
+import static org.thingsboard.server.service.security.model.token.JwtTokenFactory.KEY_LENGTH;
+
 @Service
 @RequiredArgsConstructor
 @Slf4j
@@ -105,7 +106,7 @@ public class DefaultJwtSettingsService implements JwtSettingsService {
     }
 
     public static boolean validateTokenSigningKeyLength(JwtSettings settings) {
-        return Base64.getDecoder().decode(settings.getTokenSigningKey()).length * Byte.SIZE >= Jwts.SIG.HS512.getKeyBitLength();
+        return Base64.getDecoder().decode(settings.getTokenSigningKey()).length * Byte.SIZE >= KEY_LENGTH;
     }
 
 }
diff --git a/application/src/main/java/org/thingsboard/server/service/security/auth/jwt/settings/DefaultJwtSettingsValidator.java b/application/src/main/java/org/thingsboard/server/service/security/auth/jwt/settings/DefaultJwtSettingsValidator.java
index 1de9e2c0c2..ea8c67e3dc 100644
--- a/application/src/main/java/org/thingsboard/server/service/security/auth/jwt/settings/DefaultJwtSettingsValidator.java
+++ b/application/src/main/java/org/thingsboard/server/service/security/auth/jwt/settings/DefaultJwtSettingsValidator.java
@@ -28,6 +28,7 @@ import java.util.Optional;
 import java.util.concurrent.TimeUnit;
 
 import static org.thingsboard.server.service.security.auth.jwt.settings.DefaultJwtSettingsService.isSigningKeyDefault;
+import static org.thingsboard.server.service.security.model.token.JwtTokenFactory.KEY_LENGTH;
 
 @Component
 @RequiredArgsConstructor
@@ -61,7 +62,7 @@ public class DefaultJwtSettingsValidator implements JwtSettingsValidator {
         if (Arrays.isNullOrEmpty(decodedKey)) {
             throw new DataValidationException("JWT token signing key should be non-empty after Base64 decoding!");
         }
-        if (decodedKey.length * Byte.SIZE < 512 && !isSigningKeyDefault(jwtSettings)) {
+        if (decodedKey.length * Byte.SIZE < KEY_LENGTH && !isSigningKeyDefault(jwtSettings)) {
             throw new DataValidationException("JWT token signing key should be a Base64 encoded string representing at least 512 bits of data!");
         }
 
diff --git a/application/src/main/java/org/thingsboard/server/service/security/model/token/JwtTokenFactory.java b/application/src/main/java/org/thingsboard/server/service/security/model/token/JwtTokenFactory.java
index 6be020b1c5..9542a9de2d 100644
--- a/application/src/main/java/org/thingsboard/server/service/security/model/token/JwtTokenFactory.java
+++ b/application/src/main/java/org/thingsboard/server/service/security/model/token/JwtTokenFactory.java
@@ -20,6 +20,7 @@ import io.jsonwebtoken.ClaimsBuilder;
 import io.jsonwebtoken.ExpiredJwtException;
 import io.jsonwebtoken.Jws;
 import io.jsonwebtoken.JwtBuilder;
+import io.jsonwebtoken.JwtParser;
 import io.jsonwebtoken.Jwts;
 import io.jsonwebtoken.MalformedJwtException;
 import io.jsonwebtoken.SignatureException;
@@ -57,6 +58,8 @@ import java.util.stream.Collectors;
 @Slf4j
 public class JwtTokenFactory {
 
+    public static int KEY_LENGTH = Jwts.SIG.HS512.getKeyBitLength();
+
     private static final String SCOPES = "scopes";
     private static final String USER_ID = "userId";
     private static final String FIRST_NAME = "firstName";
@@ -69,6 +72,9 @@ public class JwtTokenFactory {
 
     private final JwtSettingsService jwtSettingsService;
 
+    private volatile JwtParser jwtParser;
+    private volatile SecretKey secretKey;
+
     /**
      * Factory method for issuing new JWT Tokens.
      */
@@ -180,6 +186,11 @@ public class JwtTokenFactory {
         return new AccessJwtToken(jwtBuilder.compact());
     }
 
+    public void reload() {
+        getSecretKey(true);
+        getJwtParser(true);
+    }
+
     private JwtBuilder setUpToken(SecurityUser securityUser, List<String> scopes, long expirationTime) {
         if (StringUtils.isBlank(securityUser.getEmail())) {
             throw new IllegalArgumentException("Cannot create JWT Token without username/email");
@@ -202,15 +213,12 @@ public class JwtTokenFactory {
                 .issuer(jwtSettingsService.getJwtSettings().getTokenIssuer())
                 .issuedAt(Date.from(currentTime.toInstant()))
                 .expiration(Date.from(currentTime.plusSeconds(expirationTime).toInstant()))
-                .signWith(toSecretKey(jwtSettingsService.getJwtSettings().getTokenSigningKey()), Jwts.SIG.HS512);
+                .signWith(getSecretKey(false), Jwts.SIG.HS512);
     }
 
     public Jws<Claims> parseTokenClaims(String token) {
         try {
-            return Jwts.parser()
-                    .verifyWith(Keys.hmacShaKeyFor(Base64.getDecoder().decode(jwtSettingsService.getJwtSettings().getTokenSigningKey())))
-                    .build()
-                    .parseSignedClaims(token);
+            return getJwtParser(false).parseSignedClaims(token);
         } catch (UnsupportedJwtException | MalformedJwtException | IllegalArgumentException ex) {
             log.debug("Invalid JWT Token", ex);
             throw new BadCredentialsException("Invalid JWT token: ", ex);
@@ -226,9 +234,28 @@ public class JwtTokenFactory {
         return new JwtPair(accessToken.getToken(), refreshToken.getToken());
     }
 
-    private SecretKey toSecretKey(String base64Key) {
-        byte[] decodedToken = Base64.getDecoder().decode(base64Key);
-        return new SecretKeySpec(decodedToken, "HmacSHA512");
+    private SecretKey getSecretKey(boolean forceReload) {
+        if (secretKey == null || forceReload) {
+            synchronized (this) {
+                if (secretKey == null || forceReload) {
+                    byte[] decodedToken = Base64.getDecoder().decode(jwtSettingsService.getJwtSettings().getTokenSigningKey());
+                    secretKey = new SecretKeySpec(decodedToken, "HmacSHA512");
+                }
+            }
+        }
+        return secretKey;
     }
 
+    private JwtParser getJwtParser(boolean forceReload) {
+        if (jwtParser == null || forceReload) {
+            synchronized (this) {
+                if (jwtParser == null || forceReload) {
+                    jwtParser = Jwts.parser()
+                            .verifyWith(Keys.hmacShaKeyFor(Base64.getDecoder().decode(jwtSettingsService.getJwtSettings().getTokenSigningKey())))
+                            .build();
+                }
+            }
+        }
+        return jwtParser;
+    }
 }