diff --git a/buildSrc/src/main/java/org/springframework/boot/build/classpath/CheckClasspathForUnconstrainedDirectDependencies.java b/buildSrc/src/main/java/org/springframework/boot/build/classpath/CheckClasspathForUnconstrainedDirectDependencies.java
index a48b140d0b..543a33b772 100644
--- a/buildSrc/src/main/java/org/springframework/boot/build/classpath/CheckClasspathForUnconstrainedDirectDependencies.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/classpath/CheckClasspathForUnconstrainedDirectDependencies.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 the original author or authors.
+ * Copyright 2023-2023 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-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/cloudfoundry/EndpointCloudFoundryExtension.java b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/cloudfoundry/EndpointCloudFoundryExtension.java
index 7889d7e19e..da62d81a8c 100644
--- a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/cloudfoundry/EndpointCloudFoundryExtension.java
+++ b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/cloudfoundry/EndpointCloudFoundryExtension.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2023 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/main/java/org/springframework/boot/autoconfigure/jdbc/HikariDriverConfigurationFailureAnalyzer.java b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jdbc/HikariDriverConfigurationFailureAnalyzer.java
index 84ab3238dd..9e04c28871 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jdbc/HikariDriverConfigurationFailureAnalyzer.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jdbc/HikariDriverConfigurationFailureAnalyzer.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2023 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/main/java/org/springframework/boot/autoconfigure/mongo/MongoProperties.java b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/mongo/MongoProperties.java
index c7f6ac063a..412325fbde 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/mongo/MongoProperties.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/mongo/MongoProperties.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2023 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-docs/src/main/java/org/springframework/boot/docs/web/security/oauth2/client/MyOAuthClientConfiguration.java b/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/web/security/oauth2/client/MyOAuthClientConfiguration.java
index f91ccc1c5d..ad33bea812 100644
--- a/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/web/security/oauth2/client/MyOAuthClientConfiguration.java
+++ b/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/web/security/oauth2/client/MyOAuthClientConfiguration.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2023 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-cli/src/main/java/org/springframework/boot/cli/command/NoArgumentsException.java b/spring-boot-project/spring-boot-tools/spring-boot-cli/src/main/java/org/springframework/boot/cli/command/NoArgumentsException.java
index 56cd297d09..af1fdc0233 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-cli/src/main/java/org/springframework/boot/cli/command/NoArgumentsException.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-cli/src/main/java/org/springframework/boot/cli/command/NoArgumentsException.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2023 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/logback/SpringProfileModel.java b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/logging/logback/SpringProfileModel.java
index eef6b7ee6d..252280f2ad 100644
--- a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/logging/logback/SpringProfileModel.java
+++ b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/logging/logback/SpringProfileModel.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2023 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.