diff --git a/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/NameUtils.java b/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/NameUtils.java
index 73bd2ae1..30619c0c 100644
--- a/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/NameUtils.java
+++ b/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/NameUtils.java
@@ -15,9 +15,12 @@
  */
 package io.micronaut.jsonschema.visitor;
 
+import io.micronaut.core.annotation.Internal;
+
 /**
  * A utility class for name conversions.
  */
+@Internal
 public class NameUtils {
 
     /**
diff --git a/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/aggregator/DocumentationInfoAggregator.java b/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/aggregator/DocumentationInfoAggregator.java
index 89ad8bf3..d593328d 100644
--- a/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/aggregator/DocumentationInfoAggregator.java
+++ b/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/aggregator/DocumentationInfoAggregator.java
@@ -18,6 +18,7 @@
 import com.github.javaparser.StaticJavaParser;
 import com.github.javaparser.javadoc.Javadoc;
 import com.github.javaparser.javadoc.JavadocBlockTag;
+import io.micronaut.core.annotation.Internal;
 import io.micronaut.inject.ast.ClassElement;
 import io.micronaut.inject.ast.PropertyElement;
 import io.micronaut.inject.ast.TypedElement;
@@ -32,6 +33,7 @@
 /**
  * An aggregator for adding information from the jackson serialization annotations.
  */
+@Internal
 public class DocumentationInfoAggregator implements SchemaInfoAggregator {
 
     @Override
diff --git a/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/aggregator/JacksonInfoAggregator.java b/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/aggregator/JacksonInfoAggregator.java
index 6e17644f..4ee5527b 100644
--- a/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/aggregator/JacksonInfoAggregator.java
+++ b/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/aggregator/JacksonInfoAggregator.java
@@ -28,6 +28,7 @@
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.fasterxml.jackson.annotation.JsonUnwrapped;
 import io.micronaut.core.annotation.AnnotationValue;
+import io.micronaut.core.annotation.Internal;
 import io.micronaut.inject.ast.ClassElement;
 import io.micronaut.inject.ast.PropertyElement;
 import io.micronaut.inject.ast.TypedElement;
@@ -43,6 +44,7 @@
 /**
  * An aggregator for adding information from the jackson serialization annotations.
  */
+@Internal
 public class JacksonInfoAggregator implements SchemaInfoAggregator {
 
     @Override
diff --git a/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/aggregator/SchemaInfoAggregator.java b/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/aggregator/SchemaInfoAggregator.java
index d4a3e295..e9470abd 100644
--- a/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/aggregator/SchemaInfoAggregator.java
+++ b/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/aggregator/SchemaInfoAggregator.java
@@ -15,6 +15,7 @@
  */
 package io.micronaut.jsonschema.visitor.aggregator;
 
+import io.micronaut.core.annotation.Internal;
 import io.micronaut.inject.ast.TypedElement;
 import io.micronaut.inject.visitor.VisitorContext;
 import io.micronaut.jsonschema.visitor.JsonSchemaConfigurationVisitor.JsonSchemaContext;
@@ -26,6 +27,7 @@
  * @since 1.0.0
  * @author Andriy Dmytruk
  */
+@Internal
 public interface SchemaInfoAggregator {
 
     /**
diff --git a/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/aggregator/ValidationInfoAggregator.java b/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/aggregator/ValidationInfoAggregator.java
index 5c52ab54..b32e5272 100644
--- a/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/aggregator/ValidationInfoAggregator.java
+++ b/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/aggregator/ValidationInfoAggregator.java
@@ -15,6 +15,7 @@
  */
 package io.micronaut.jsonschema.visitor.aggregator;
 
+import io.micronaut.core.annotation.Internal;
 import io.micronaut.inject.ast.ClassElement;
 import io.micronaut.inject.ast.TypedElement;
 import io.micronaut.inject.visitor.VisitorContext;
@@ -29,6 +30,7 @@
 /**
  * An aggregator for adding information from the validation annotations.
  */
+@Internal
 public class ValidationInfoAggregator implements SchemaInfoAggregator {
 
     private static final String JAKARTA_VALIDATION_PREFIX = "jakarta.validation.constraints.";
diff --git a/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/model/Schema.java b/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/model/Schema.java
index 7973669d..dd0372b6 100644
--- a/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/model/Schema.java
+++ b/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/model/Schema.java
@@ -18,6 +18,7 @@
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonValue;
+import io.micronaut.core.annotation.Internal;
 
 import java.util.ArrayList;
 import java.util.LinkedHashMap;
@@ -28,6 +29,7 @@
 /**
  * A JSON schema.
  */
+@Internal
 public final class Schema {
 
     public static final String SCHEMA_DRAFT_2022_12 = "https://json-schema.org/draft/2020-12/schema";
diff --git a/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/serialization/JsonSchemaMapperFactory.java b/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/serialization/JsonSchemaMapperFactory.java
index b75cb6b1..73441e54 100644
--- a/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/serialization/JsonSchemaMapperFactory.java
+++ b/json-schema-processor/src/main/java/io/micronaut/jsonschema/visitor/serialization/JsonSchemaMapperFactory.java
@@ -19,10 +19,12 @@
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.SerializationFeature;
+import io.micronaut.core.annotation.Internal;
 
 /**
  * A factory of mappers for swagger serialization and deserialization.
  */
+@Internal
 public class JsonSchemaMapperFactory {
 
     /**