diff --git a/samples/spring-cloud-stream-schema-registry-integration/schema-registry-consumer-kafka/src/main/java/sample/consumer/ConsumerApplication.java b/samples/spring-cloud-stream-schema-registry-integration/schema-registry-consumer-kafka/src/main/java/sample/consumer/ConsumerApplication.java
index e4d772bcb..e8591d087 100644
--- a/samples/spring-cloud-stream-schema-registry-integration/schema-registry-consumer-kafka/src/main/java/sample/consumer/ConsumerApplication.java
+++ b/samples/spring-cloud-stream-schema-registry-integration/schema-registry-consumer-kafka/src/main/java/sample/consumer/ConsumerApplication.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package sample.consumer;
 
 import java.util.function.Consumer;
diff --git a/samples/spring-cloud-stream-schema-registry-integration/schema-registry-producer1-kafka/src/main/java/sample/producer1/Producer1ApplicationKafka.java b/samples/spring-cloud-stream-schema-registry-integration/schema-registry-producer1-kafka/src/main/java/sample/producer1/Producer1ApplicationKafka.java
index fd667b9aa..9ad25864b 100644
--- a/samples/spring-cloud-stream-schema-registry-integration/schema-registry-producer1-kafka/src/main/java/sample/producer1/Producer1ApplicationKafka.java
+++ b/samples/spring-cloud-stream-schema-registry-integration/schema-registry-producer1-kafka/src/main/java/sample/producer1/Producer1ApplicationKafka.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package sample.producer1;
 
 import java.util.Random;
diff --git a/samples/spring-cloud-stream-schema-registry-integration/schema-registry-producer2-kafka/src/main/java/sample/producer2/Producer2ApplicationKafka.java b/samples/spring-cloud-stream-schema-registry-integration/schema-registry-producer2-kafka/src/main/java/sample/producer2/Producer2ApplicationKafka.java
index 32669e93e..9a46c8a66 100644
--- a/samples/spring-cloud-stream-schema-registry-integration/schema-registry-producer2-kafka/src/main/java/sample/producer2/Producer2ApplicationKafka.java
+++ b/samples/spring-cloud-stream-schema-registry-integration/schema-registry-producer2-kafka/src/main/java/sample/producer2/Producer2ApplicationKafka.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2022 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package sample.producer2;
 
 import org.springframework.beans.factory.annotation.Autowired;