diff --git a/src/main/java/org/mybatis/cdi/CDIUtils.java b/src/main/java/org/mybatis/cdi/CDIUtils.java
index 2757a52d..2e90a705 100644
--- a/src/main/java/org/mybatis/cdi/CDIUtils.java
+++ b/src/main/java/org/mybatis/cdi/CDIUtils.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2020 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/main/java/org/mybatis/cdi/Isolation.java b/src/main/java/org/mybatis/cdi/Isolation.java
index 91ec2dcc..16376f84 100644
--- a/src/main/java/org/mybatis/cdi/Isolation.java
+++ b/src/main/java/org/mybatis/cdi/Isolation.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2017 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/main/java/org/mybatis/cdi/JtaTransactionInterceptor.java b/src/main/java/org/mybatis/cdi/JtaTransactionInterceptor.java
index bea053ba..b02b5eba 100644
--- a/src/main/java/org/mybatis/cdi/JtaTransactionInterceptor.java
+++ b/src/main/java/org/mybatis/cdi/JtaTransactionInterceptor.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2017 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/main/java/org/mybatis/cdi/LocalTransactionInterceptor.java b/src/main/java/org/mybatis/cdi/LocalTransactionInterceptor.java
index f25dca76..6753a779 100644
--- a/src/main/java/org/mybatis/cdi/LocalTransactionInterceptor.java
+++ b/src/main/java/org/mybatis/cdi/LocalTransactionInterceptor.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2018 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/main/java/org/mybatis/cdi/Mapper.java b/src/main/java/org/mybatis/cdi/Mapper.java
index 530ea064..29ab3860 100644
--- a/src/main/java/org/mybatis/cdi/Mapper.java
+++ b/src/main/java/org/mybatis/cdi/Mapper.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2020 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/main/java/org/mybatis/cdi/MyBatisBean.java b/src/main/java/org/mybatis/cdi/MyBatisBean.java
index b80a80b9..261f9372 100644
--- a/src/main/java/org/mybatis/cdi/MyBatisBean.java
+++ b/src/main/java/org/mybatis/cdi/MyBatisBean.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2018 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/main/java/org/mybatis/cdi/MybatisCdiConfigurationException.java b/src/main/java/org/mybatis/cdi/MybatisCdiConfigurationException.java
index 5d2e0d1e..1cb848a5 100644
--- a/src/main/java/org/mybatis/cdi/MybatisCdiConfigurationException.java
+++ b/src/main/java/org/mybatis/cdi/MybatisCdiConfigurationException.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2020 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/main/java/org/mybatis/cdi/MybatisExtension.java b/src/main/java/org/mybatis/cdi/MybatisExtension.java
index 06eebddf..d61998d5 100644
--- a/src/main/java/org/mybatis/cdi/MybatisExtension.java
+++ b/src/main/java/org/mybatis/cdi/MybatisExtension.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2018 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/main/java/org/mybatis/cdi/SerializableMapperProxy.java b/src/main/java/org/mybatis/cdi/SerializableMapperProxy.java
index 92ffbeb9..f611d74e 100644
--- a/src/main/java/org/mybatis/cdi/SerializableMapperProxy.java
+++ b/src/main/java/org/mybatis/cdi/SerializableMapperProxy.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2018 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/main/java/org/mybatis/cdi/SessionFactoryProvider.java b/src/main/java/org/mybatis/cdi/SessionFactoryProvider.java
index 2e76312b..cdaf87ae 100644
--- a/src/main/java/org/mybatis/cdi/SessionFactoryProvider.java
+++ b/src/main/java/org/mybatis/cdi/SessionFactoryProvider.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2020 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/main/java/org/mybatis/cdi/SqlSessionManagerRegistry.java b/src/main/java/org/mybatis/cdi/SqlSessionManagerRegistry.java
index 0ff7973e..78abfb38 100644
--- a/src/main/java/org/mybatis/cdi/SqlSessionManagerRegistry.java
+++ b/src/main/java/org/mybatis/cdi/SqlSessionManagerRegistry.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2020 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/main/java/org/mybatis/cdi/Transactional.java b/src/main/java/org/mybatis/cdi/Transactional.java
index fac68d7f..54ec05b4 100644
--- a/src/main/java/org/mybatis/cdi/Transactional.java
+++ b/src/main/java/org/mybatis/cdi/Transactional.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2020 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/test/java/org/mybatis/cdi/FooService.java b/src/test/java/org/mybatis/cdi/FooService.java
index c05567e8..2f208aea 100644
--- a/src/test/java/org/mybatis/cdi/FooService.java
+++ b/src/test/java/org/mybatis/cdi/FooService.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2017 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/test/java/org/mybatis/cdi/FooServiceJTA.java b/src/test/java/org/mybatis/cdi/FooServiceJTA.java
index b6511c73..c1406b6f 100644
--- a/src/test/java/org/mybatis/cdi/FooServiceJTA.java
+++ b/src/test/java/org/mybatis/cdi/FooServiceJTA.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2017 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/test/java/org/mybatis/cdi/FooServiceJTATest.java b/src/test/java/org/mybatis/cdi/FooServiceJTATest.java
index 7ff27159..ed7e83a7 100644
--- a/src/test/java/org/mybatis/cdi/FooServiceJTATest.java
+++ b/src/test/java/org/mybatis/cdi/FooServiceJTATest.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2018 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/test/java/org/mybatis/cdi/FooServiceTest.java b/src/test/java/org/mybatis/cdi/FooServiceTest.java
index 12434b8c..eac4c149 100644
--- a/src/test/java/org/mybatis/cdi/FooServiceTest.java
+++ b/src/test/java/org/mybatis/cdi/FooServiceTest.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2018 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/test/java/org/mybatis/cdi/JtaDatasourceFactory.java b/src/test/java/org/mybatis/cdi/JtaDatasourceFactory.java
index a22744fa..54a13083 100644
--- a/src/test/java/org/mybatis/cdi/JtaDatasourceFactory.java
+++ b/src/test/java/org/mybatis/cdi/JtaDatasourceFactory.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2017 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/test/java/org/mybatis/cdi/JtaManager.java b/src/test/java/org/mybatis/cdi/JtaManager.java
index ada47ce9..713924ac 100644
--- a/src/test/java/org/mybatis/cdi/JtaManager.java
+++ b/src/test/java/org/mybatis/cdi/JtaManager.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2020 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/test/java/org/mybatis/cdi/ManagerProducers.java b/src/test/java/org/mybatis/cdi/ManagerProducers.java
index 564319d8..599e929b 100644
--- a/src/test/java/org/mybatis/cdi/ManagerProducers.java
+++ b/src/test/java/org/mybatis/cdi/ManagerProducers.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2018 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/test/java/org/mybatis/cdi/ManagerProducersJta.java b/src/test/java/org/mybatis/cdi/ManagerProducersJta.java
index 459ebbd7..1dfd0af9 100644
--- a/src/test/java/org/mybatis/cdi/ManagerProducersJta.java
+++ b/src/test/java/org/mybatis/cdi/ManagerProducersJta.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2020 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/test/java/org/mybatis/cdi/MySpecialManager.java b/src/test/java/org/mybatis/cdi/MySpecialManager.java
index 99903282..d9a44871 100644
--- a/src/test/java/org/mybatis/cdi/MySpecialManager.java
+++ b/src/test/java/org/mybatis/cdi/MySpecialManager.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2020 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/test/java/org/mybatis/cdi/MybatisExtensionTest.java b/src/test/java/org/mybatis/cdi/MybatisExtensionTest.java
index cae4a9cb..e88cb20b 100644
--- a/src/test/java/org/mybatis/cdi/MybatisExtensionTest.java
+++ b/src/test/java/org/mybatis/cdi/MybatisExtensionTest.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2018 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/test/java/org/mybatis/cdi/NoRollbackException.java b/src/test/java/org/mybatis/cdi/NoRollbackException.java
index b8aa45d5..d7e5e1a1 100644
--- a/src/test/java/org/mybatis/cdi/NoRollbackException.java
+++ b/src/test/java/org/mybatis/cdi/NoRollbackException.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2017 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/test/java/org/mybatis/cdi/OtherQualifier.java b/src/test/java/org/mybatis/cdi/OtherQualifier.java
index 184ea92f..9e5b2e98 100644
--- a/src/test/java/org/mybatis/cdi/OtherQualifier.java
+++ b/src/test/java/org/mybatis/cdi/OtherQualifier.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2020 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/test/java/org/mybatis/cdi/RollbackException.java b/src/test/java/org/mybatis/cdi/RollbackException.java
index f879c205..6eba0f56 100644
--- a/src/test/java/org/mybatis/cdi/RollbackException.java
+++ b/src/test/java/org/mybatis/cdi/RollbackException.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2017 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/test/java/org/mybatis/cdi/SerializableFooService.java b/src/test/java/org/mybatis/cdi/SerializableFooService.java
index a6cb246b..ba1d5d7f 100644
--- a/src/test/java/org/mybatis/cdi/SerializableFooService.java
+++ b/src/test/java/org/mybatis/cdi/SerializableFooService.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2020 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/test/java/org/mybatis/cdi/User.java b/src/test/java/org/mybatis/cdi/User.java
index 6d60cba9..ebbbe15b 100644
--- a/src/test/java/org/mybatis/cdi/User.java
+++ b/src/test/java/org/mybatis/cdi/User.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2017 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/test/java/org/mybatis/cdi/UserMapper.java b/src/test/java/org/mybatis/cdi/UserMapper.java
index e3238cb7..254c6bec 100644
--- a/src/test/java/org/mybatis/cdi/UserMapper.java
+++ b/src/test/java/org/mybatis/cdi/UserMapper.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2017 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/test/java/org/mybatis/cdi/UserTransactionProvider.java b/src/test/java/org/mybatis/cdi/UserTransactionProvider.java
index 63e3ec45..77e1dc70 100644
--- a/src/test/java/org/mybatis/cdi/UserTransactionProvider.java
+++ b/src/test/java/org/mybatis/cdi/UserTransactionProvider.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2017 the original author or authors.
+/*
+ *    Copyright 2013-2021 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/src/test/java/org/mybatis/cdi/WeldJunit5Extension.java b/src/test/java/org/mybatis/cdi/WeldJunit5Extension.java
index 4fbc5cb4..25ca206e 100644
--- a/src/test/java/org/mybatis/cdi/WeldJunit5Extension.java
+++ b/src/test/java/org/mybatis/cdi/WeldJunit5Extension.java
@@ -1,5 +1,5 @@
-/**
- *    Copyright 2013-2018 the original author or authors.
+/*
+ *    Copyright 2013-2021 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.