diff --git a/buildSrc/src/main/java/org/springframework/boot/build/bom/BomExtension.java b/buildSrc/src/main/java/org/springframework/boot/build/bom/BomExtension.java
index 1623ab34753..b6776ac04ba 100644
--- a/buildSrc/src/main/java/org/springframework/boot/build/bom/BomExtension.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/bom/BomExtension.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/buildSrc/src/main/java/org/springframework/boot/build/bom/BomPlugin.java b/buildSrc/src/main/java/org/springframework/boot/build/bom/BomPlugin.java
index fea598d712e..4bf1d5b2ee8 100644
--- a/buildSrc/src/main/java/org/springframework/boot/build/bom/BomPlugin.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/bom/BomPlugin.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/buildSrc/src/main/java/org/springframework/boot/build/bom/CheckBom.java b/buildSrc/src/main/java/org/springframework/boot/build/bom/CheckBom.java
index 2c1cc193629..410aebb09d3 100644
--- a/buildSrc/src/main/java/org/springframework/boot/build/bom/CheckBom.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/bom/CheckBom.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/buildSrc/src/main/java/org/springframework/boot/build/bom/Library.java b/buildSrc/src/main/java/org/springframework/boot/build/bom/Library.java
index b14afda0e80..abb0fb371f2 100644
--- a/buildSrc/src/main/java/org/springframework/boot/build/bom/Library.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/bom/Library.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/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/InteractiveUpgradeResolver.java b/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/InteractiveUpgradeResolver.java
index 6c943272e61..cb9273100e3 100644
--- a/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/InteractiveUpgradeResolver.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/InteractiveUpgradeResolver.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/buildSrc/src/test/java/org/springframework/boot/build/bom/BomPluginIntegrationTests.java b/buildSrc/src/test/java/org/springframework/boot/build/bom/BomPluginIntegrationTests.java
index 66ad5727836..268744ee5ea 100644
--- a/buildSrc/src/test/java/org/springframework/boot/build/bom/BomPluginIntegrationTests.java
+++ b/buildSrc/src/test/java/org/springframework/boot/build/bom/BomPluginIntegrationTests.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-actuator/src/test/java/org/springframework/boot/actuate/metrics/web/reactive/client/MetricsWebClientFilterFunctionTests.java b/spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/web/reactive/client/MetricsWebClientFilterFunctionTests.java
index 8bdcdf45cc0..b651560ec57 100644
--- a/spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/web/reactive/client/MetricsWebClientFilterFunctionTests.java
+++ b/spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/web/reactive/client/MetricsWebClientFilterFunctionTests.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-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/jpa/city/City.java b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/jpa/city/City.java
index 22d9a9c3a24..e402ffc5c7d 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/jpa/city/City.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/jpa/city/City.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-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/jpa/city/CityRepository.java b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/jpa/city/CityRepository.java
index 5180e96a9c3..0365106e9e5 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/jpa/city/CityRepository.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/jpa/city/CityRepository.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-cli/src/main/java/org/springframework/boot/cli/command/archive/ArchiveCommand.java b/spring-boot-project/spring-boot-cli/src/main/java/org/springframework/boot/cli/command/archive/ArchiveCommand.java
index 8d77644a014..d0732c163ab 100644
--- a/spring-boot-project/spring-boot-cli/src/main/java/org/springframework/boot/cli/command/archive/ArchiveCommand.java
+++ b/spring-boot-project/spring-boot-cli/src/main/java/org/springframework/boot/cli/command/archive/ArchiveCommand.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-tools/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/plugin/KotlinPluginAction.java b/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/plugin/KotlinPluginAction.java
index 3bc43e0ccf2..60ef280aabd 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/plugin/KotlinPluginAction.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/plugin/KotlinPluginAction.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-tools/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/bundling/LayerResolver.java b/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/bundling/LayerResolver.java
index a5212339138..a68a1007c09 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/bundling/LayerResolver.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/bundling/LayerResolver.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-tools/spring-boot-loader-tools/src/main/java/org/springframework/boot/loader/tools/JarModeLibrary.java b/spring-boot-project/spring-boot-tools/spring-boot-loader-tools/src/main/java/org/springframework/boot/loader/tools/JarModeLibrary.java
index b10a7be9911..49508ab5187 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-loader-tools/src/main/java/org/springframework/boot/loader/tools/JarModeLibrary.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-loader-tools/src/main/java/org/springframework/boot/loader/tools/JarModeLibrary.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-tools/spring-boot-loader-tools/src/main/java/org/springframework/boot/loader/tools/Library.java b/spring-boot-project/spring-boot-tools/spring-boot-loader-tools/src/main/java/org/springframework/boot/loader/tools/Library.java
index 488449fb250..20315ce7f4d 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-loader-tools/src/main/java/org/springframework/boot/loader/tools/Library.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-loader-tools/src/main/java/org/springframework/boot/loader/tools/Library.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-tools/spring-boot-maven-plugin/src/intTest/java/org/springframework/boot/maven/BuildInfoIntegrationTests.java b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/intTest/java/org/springframework/boot/maven/BuildInfoIntegrationTests.java
index c2461a19095..5b6b3c96760 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/intTest/java/org/springframework/boot/maven/BuildInfoIntegrationTests.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/intTest/java/org/springframework/boot/maven/BuildInfoIntegrationTests.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-tools/spring-boot-maven-plugin/src/intTest/projects/war-exclude-entry/src/main/java/org/test/SampleApplication.java b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/intTest/projects/war-exclude-entry/src/main/java/org/test/SampleApplication.java
index ca2b9a2f0e5..16c76e92c50 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/intTest/projects/war-exclude-entry/src/main/java/org/test/SampleApplication.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/intTest/projects/war-exclude-entry/src/main/java/org/test/SampleApplication.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-tools/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/AbstractDependencyFilterMojo.java b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/AbstractDependencyFilterMojo.java
index 99394e0a543..c2074afb6be 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/AbstractDependencyFilterMojo.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/AbstractDependencyFilterMojo.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-tools/spring-boot-maven-plugin/src/test/java/org/springframework/boot/maven/ArtifactsLibrariesTests.java b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/test/java/org/springframework/boot/maven/ArtifactsLibrariesTests.java
index 988516c2f64..bc8cd7bb1ac 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/test/java/org/springframework/boot/maven/ArtifactsLibrariesTests.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/test/java/org/springframework/boot/maven/ArtifactsLibrariesTests.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/src/main/java/org/springframework/boot/logging/log4j2/SpringBootConfigurationFactory.java b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/logging/log4j2/SpringBootConfigurationFactory.java
index 6460ba1c127..0e48867ffb1 100644
--- a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/logging/log4j2/SpringBootConfigurationFactory.java
+++ b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/logging/log4j2/SpringBootConfigurationFactory.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.