diff --git a/buildSrc/src/main/java/org/springframework/boot/build/SyncAppSource.java b/buildSrc/src/main/java/org/springframework/boot/build/SyncAppSource.java
index 1a8204805c..9d274b8115 100644
--- a/buildSrc/src/main/java/org/springframework/boot/build/SyncAppSource.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/SyncAppSource.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 the original author or authors.
+ * Copyright 2021-2021 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.
diff --git a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jersey/JerseyAutoConfigurationCustomFilterContextPathTests.java b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jersey/JerseyAutoConfigurationCustomFilterContextPathTests.java
index e2fae8db31..dcad4c620a 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jersey/JerseyAutoConfigurationCustomFilterContextPathTests.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jersey/JerseyAutoConfigurationCustomFilterContextPathTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2021 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.
diff --git a/spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/web/reactive/webclient/WebTestClientSpringBootTestIntegrationTests.java b/spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/web/reactive/webclient/WebTestClientSpringBootTestIntegrationTests.java
index cc1443d8b3..6e8aaab154 100644
--- a/spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/web/reactive/webclient/WebTestClientSpringBootTestIntegrationTests.java
+++ b/spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/web/reactive/webclient/WebTestClientSpringBootTestIntegrationTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2021 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.
diff --git a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/ConstructorBinding.java b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/ConstructorBinding.java
index cbd19bbe4a..bbde4c7121 100644
--- a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/ConstructorBinding.java
+++ b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/ConstructorBinding.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2021 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.