diff --git a/thread_pool_execute_job.cpp b/thread_pool_execute_job.cpp
index 3a6fa4a..9f7a439 100644
--- a/thread_pool_execute_job.cpp
+++ b/thread_pool_execute_job.cpp
@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2019-2020 Péter Magyar
+Copyright (c) 2019-2021 Péter Magyar
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/thread_pool_execute_job.h b/thread_pool_execute_job.h
index 1f405ca..c29c00d 100644
--- a/thread_pool_execute_job.h
+++ b/thread_pool_execute_job.h
@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2019-2020 Péter Magyar
+Copyright (c) 2019-2021 Péter Magyar
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/thread_pool_job.cpp b/thread_pool_job.cpp
index ea4e6b5..6a1a1da 100644
--- a/thread_pool_job.cpp
+++ b/thread_pool_job.cpp
@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2019-2020 Péter Magyar
+Copyright (c) 2019-2021 Péter Magyar
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/thread_pool_job.h b/thread_pool_job.h
index 971a2a3..7da62cd 100644
--- a/thread_pool_job.h
+++ b/thread_pool_job.h
@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2019-2020 Péter Magyar
+Copyright (c) 2019-2021 Péter Magyar
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal