diff --git a/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/GraphQlServiceAutoConfiguration.java b/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/GraphQlServiceAutoConfiguration.java
index 79581d49..16e34ef8 100644
--- a/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/GraphQlServiceAutoConfiguration.java
+++ b/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/GraphQlServiceAutoConfiguration.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2020-2021 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/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/RuntimeWiringBuilderCustomizer.java b/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/RuntimeWiringBuilderCustomizer.java
index 60843cf7..48e081fe 100644
--- a/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/RuntimeWiringBuilderCustomizer.java
+++ b/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/RuntimeWiringBuilderCustomizer.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020-2020 the original author or authors.
+ * Copyright 2020-2021 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/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/actuate/metrics/DefaultGraphQlTagsProvider.java b/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/actuate/metrics/DefaultGraphQlTagsProvider.java
index d8946e26..ec5fef55 100644
--- a/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/actuate/metrics/DefaultGraphQlTagsProvider.java
+++ b/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/actuate/metrics/DefaultGraphQlTagsProvider.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2020-2021 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/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/actuate/metrics/GraphQlMetricsAutoConfiguration.java b/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/actuate/metrics/GraphQlMetricsAutoConfiguration.java
index 44902669..866769ec 100644
--- a/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/actuate/metrics/GraphQlMetricsAutoConfiguration.java
+++ b/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/actuate/metrics/GraphQlMetricsAutoConfiguration.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2020-2021 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/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/actuate/metrics/GraphQlMetricsInstrumentation.java b/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/actuate/metrics/GraphQlMetricsInstrumentation.java
index 06747ff0..9c6ae2f6 100644
--- a/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/actuate/metrics/GraphQlMetricsInstrumentation.java
+++ b/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/actuate/metrics/GraphQlMetricsInstrumentation.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2020-2021 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/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/actuate/metrics/GraphQlMetricsProperties.java b/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/actuate/metrics/GraphQlMetricsProperties.java
index 0f1c923b..32d35fa5 100644
--- a/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/actuate/metrics/GraphQlMetricsProperties.java
+++ b/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/actuate/metrics/GraphQlMetricsProperties.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2020-2021 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/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/actuate/metrics/GraphQlTagsContributor.java b/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/actuate/metrics/GraphQlTagsContributor.java
index eb22a52e..7520d178 100644
--- a/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/actuate/metrics/GraphQlTagsContributor.java
+++ b/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/actuate/metrics/GraphQlTagsContributor.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2020-2021 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/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/actuate/metrics/GraphQlTagsProvider.java b/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/actuate/metrics/GraphQlTagsProvider.java
index 77f33011..0696fc80 100644
--- a/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/actuate/metrics/GraphQlTagsProvider.java
+++ b/graphql-spring-boot-starter/src/main/java/org/springframework/graphql/boot/actuate/metrics/GraphQlTagsProvider.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2020-2021 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/graphql-spring-boot-starter/src/test/java/org/springframework/graphql/boot/GraphQlAutoConfigurationTests.java b/graphql-spring-boot-starter/src/test/java/org/springframework/graphql/boot/GraphQlAutoConfigurationTests.java
index 55fca42b..0678485e 100644
--- a/graphql-spring-boot-starter/src/test/java/org/springframework/graphql/boot/GraphQlAutoConfigurationTests.java
+++ b/graphql-spring-boot-starter/src/test/java/org/springframework/graphql/boot/GraphQlAutoConfigurationTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2020-2021 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/graphql-spring-boot-starter/src/test/java/org/springframework/graphql/boot/GraphQlWebFluxAutoConfigurationTests.java b/graphql-spring-boot-starter/src/test/java/org/springframework/graphql/boot/GraphQlWebFluxAutoConfigurationTests.java
index 91f87514..4a2e2440 100644
--- a/graphql-spring-boot-starter/src/test/java/org/springframework/graphql/boot/GraphQlWebFluxAutoConfigurationTests.java
+++ b/graphql-spring-boot-starter/src/test/java/org/springframework/graphql/boot/GraphQlWebFluxAutoConfigurationTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2020-2021 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.