diff --git a/core/deployment/src/main/java/io/quarkus/deployment/Capability.java b/core/deployment/src/main/java/io/quarkus/deployment/Capability.java
index 6afbe631768b1b..6cd1937771799b 100644
--- a/core/deployment/src/main/java/io/quarkus/deployment/Capability.java
+++ b/core/deployment/src/main/java/io/quarkus/deployment/Capability.java
@@ -130,6 +130,7 @@ public interface Capability {
 
     String APICURIO_REGISTRY = QUARKUS_PREFIX + ".apicurio.registry";
     String APICURIO_REGISTRY_AVRO = APICURIO_REGISTRY + ".avro";
+    String APICURIO_REGISTRY_JSON_SCHEMA = APICURIO_REGISTRY + ".json";
 
     String CONFLUENT_REGISTRY = QUARKUS_PREFIX + ".confluent.registry";
     String CONFLUENT_REGISTRY_AVRO = CONFLUENT_REGISTRY + ".avro";
diff --git a/extensions/kafka-client/deployment/src/main/java/io/quarkus/kafka/client/deployment/KafkaProcessor.java b/extensions/kafka-client/deployment/src/main/java/io/quarkus/kafka/client/deployment/KafkaProcessor.java
index 37ea59286d6024..3a574b4424f850 100644
--- a/extensions/kafka-client/deployment/src/main/java/io/quarkus/kafka/client/deployment/KafkaProcessor.java
+++ b/extensions/kafka-client/deployment/src/main/java/io/quarkus/kafka/client/deployment/KafkaProcessor.java
@@ -356,12 +356,19 @@ private void handleAvro(BuildProducer<ReflectiveClassBuildItem> reflectiveClass,
                     "java.lang.AutoCloseable"));
         }
 
-        // --- Apicurio Registry 2.x ---
+        // --- Apicurio Registry 2.x Avro ---
         if (QuarkusClassLoader.isClassPresentAtRuntime("io.apicurio.registry.serde.avro.AvroKafkaDeserializer")
                 && !capabilities.isPresent(Capability.APICURIO_REGISTRY_AVRO)) {
             throw new RuntimeException(
                     "Apicurio Registry 2.x Avro classes detected, please use the quarkus-apicurio-registry-avro extension");
         }
+
+        // --- Apicurio Registry 2.x Json Schema ---
+        if (QuarkusClassLoader.isClassPresentAtRuntime("io.apicurio.registry.serde.avro.JsonKafkaDeserializer")
+                && !capabilities.isPresent(Capability.APICURIO_REGISTRY_JSON_SCHEMA)) {
+            throw new RuntimeException(
+                    "Apicurio Registry 2.x Json classes detected, please use the quarkus-apicurio-registry-json extension");
+        }
     }
 
     @BuildStep