diff --git a/hivemq-edge/gradle/libs.versions.toml b/hivemq-edge/gradle/libs.versions.toml
index e333e6539f..c7e63979af 100644
--- a/hivemq-edge/gradle/libs.versions.toml
+++ b/hivemq-edge/gradle/libs.versions.toml
@@ -26,7 +26,7 @@ jaxb = "2.3.9"
 jctools = "4.0.5"
 jersey = "2.43"
 jose4j = "0.9.4"
-jsonSchemaValidator = "1.0.88"
+jsonSchemaValidator = "1.5.0"
 junit-jupiter = "5.10.3"
 junit = "4.13.2"
 logback = "1.5.6"
diff --git a/hivemq-edge/src/main/java/com/hivemq/api/json/TimestampToDateConverter.java b/hivemq-edge/src/main/java/com/hivemq/api/json/TimestampToDateConverter.java
index 11a8e26777..15ae85cad0 100644
--- a/hivemq-edge/src/main/java/com/hivemq/api/json/TimestampToDateConverter.java
+++ b/hivemq-edge/src/main/java/com/hivemq/api/json/TimestampToDateConverter.java
@@ -35,6 +35,7 @@
 
 public class TimestampToDateConverter {
 
+    public static final @NotNull ZoneId ZONE_ID_UTC = ZoneId.of("UTC");
     public static final DateTimeFormatter DATE_FORMAT_OUTBOUND =
             DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.SSSX", Locale.US);
 
diff --git a/hivemq-edge/src/main/java/com/hivemq/bootstrap/netty/initializer/AbstractChannelInitializer.java b/hivemq-edge/src/main/java/com/hivemq/bootstrap/netty/initializer/AbstractChannelInitializer.java
index 91aad562d5..6e1b15ff07 100644
--- a/hivemq-edge/src/main/java/com/hivemq/bootstrap/netty/initializer/AbstractChannelInitializer.java
+++ b/hivemq-edge/src/main/java/com/hivemq/bootstrap/netty/initializer/AbstractChannelInitializer.java
@@ -24,7 +24,6 @@
 import com.hivemq.configuration.service.RestrictionsConfigurationService;
 import com.hivemq.configuration.service.entity.Listener;
 import com.hivemq.extension.sdk.api.annotations.NotNull;
-import com.hivemq.extension.sdk.api.annotations.Nullable;
 import com.hivemq.mqtt.handler.connect.MessageBarrier;
 import com.hivemq.mqtt.handler.publish.PublishFlushHandler;
 import com.hivemq.security.exception.SslException;
@@ -109,7 +108,7 @@ protected void initChannel(final @NotNull T ch) throws Exception {
         ch.pipeline()
                 .addLast(MQTT_MESSAGE_BARRIER, new MessageBarrier(channelDependencies.getMqttServerDisconnector()));
 
-        final @Nullable HandlerPackage handlerPackage = channelDependencies.getHandlerProvider().get();
+        final HandlerPackage handlerPackage = channelDependencies.getHandlerProvider().get();
         if (handlerPackage != null) {
             ch.pipeline().addLast(handlerPackage.getHandlerName(), handlerPackage.getHandler());
         }
diff --git a/hivemq-edge/src/main/java/com/hivemq/protocols/ProtocolAdapterSchemaManager.java b/hivemq-edge/src/main/java/com/hivemq/protocols/ProtocolAdapterSchemaManager.java
index 49da7e572d..848ebcc928 100644
--- a/hivemq-edge/src/main/java/com/hivemq/protocols/ProtocolAdapterSchemaManager.java
+++ b/hivemq-edge/src/main/java/com/hivemq/protocols/ProtocolAdapterSchemaManager.java
@@ -29,7 +29,6 @@
 import com.networknt.schema.SpecVersion;
 import com.networknt.schema.ValidationMessage;
 
-import java.io.IOException;
 import java.util.List;
 import java.util.stream.Collectors;
 
@@ -47,8 +46,8 @@ public class ProtocolAdapterSchemaManager {
     private @Nullable JsonSchema schema;
 
     public ProtocolAdapterSchemaManager(
-            @NotNull final ObjectMapper objectMapper,
-            @NotNull final Class<? extends ProtocolAdapterConfig> configBean) {
+            final @NotNull ObjectMapper objectMapper,
+            final @NotNull Class<? extends ProtocolAdapterConfig> configBean) {
         this.objectMapper = objectMapper;
         this.configBean = configBean;
         this.customConfigSchemaGenerator = new CustomConfigSchemaGenerator();
@@ -63,27 +62,16 @@ public ProtocolAdapterSchemaManager(
 
     public synchronized @NotNull JsonSchema generateSchema() {
         if (schema == null) {
-            JsonSchemaFactory factory = JsonSchemaFactory.getInstance(SpecVersion.VersionFlag.V202012);
+            final JsonSchemaFactory factory = JsonSchemaFactory.getInstance(SpecVersion.VersionFlag.V202012);
             schema = factory.getSchema(generateSchemaNode());
             schema.initializeValidators();
         }
         return schema;
     }
 
-    public @NotNull List<ProtocolAdapterValidationFailure> validateJsonDocument(final byte @NotNull [] jsonDocument)
-            throws IOException {
-        JsonSchema schema = generateSchema();
-        Preconditions.checkNotNull(jsonDocument);
-        JsonNode node = objectMapper.readTree(jsonDocument);
-        return schema.validate(node)
-                .stream()
-                .map(ProtocolAdapterSchemaManager::convertMessage)
-                .collect(Collectors.toList());
-    }
-
-    public @NotNull List<ProtocolAdapterValidationFailure> validateObject(@NotNull final Object o) {
+    public @NotNull List<ProtocolAdapterValidationFailure> validateObject(final @NotNull Object o) {
         Preconditions.checkNotNull(o);
-        JsonNode node;
+        final JsonNode node;
         if (o instanceof JsonNode) {
             node = (JsonNode) o;
         } else {
@@ -96,9 +84,9 @@ public ProtocolAdapterSchemaManager(
     }
 
 
-    static ProtocolAdapterValidationFailure convertMessage(ValidationMessage validationMessage) {
+    static ProtocolAdapterValidationFailure convertMessage(final @NotNull ValidationMessage validationMessage) {
         return new ProtocolAdapterValidationFailureImpl(validationMessage.getMessage(),
-                validationMessage.getPath(),
+                validationMessage.getEvaluationPath().toString(),
                 validationMessage.getClass());
     }