diff --git a/LICENSE b/LICENSE
index 8dada3e..f9d4fc9 100644
--- a/LICENSE
+++ b/LICENSE
@@ -186,7 +186,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright {yyyy} {name of copyright owner}
+   Copyright 2017-2018 Alexey Stepanov aka penguinolog
 
    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/threaded/__init__.py b/threaded/__init__.py
index ae87f8d..22a812c 100644
--- a/threaded/__init__.py
+++ b/threaded/__init__.py
@@ -1,4 +1,4 @@
-#    Copyright 2017 Alexey Stepanov aka penguinolog
+#    Copyright 2017-2018 Alexey Stepanov aka penguinolog
 ##
 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
 #    not use this file except in compliance with the License. You may obtain
diff --git a/threaded/_base_gthreadpooled.py b/threaded/_base_gthreadpooled.py
index 8a61d24..c05ed4b 100644
--- a/threaded/_base_gthreadpooled.py
+++ b/threaded/_base_gthreadpooled.py
@@ -1,4 +1,4 @@
-#    Copyright 2017 Alexey Stepanov aka penguinolog
+#    Copyright 2017-2018 Alexey Stepanov aka penguinolog
 ##
 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
 #    not use this file except in compliance with the License. You may obtain
diff --git a/threaded/_base_threaded.py b/threaded/_base_threaded.py
index 680b530..f7ea9ad 100644
--- a/threaded/_base_threaded.py
+++ b/threaded/_base_threaded.py
@@ -1,4 +1,4 @@
-#    Copyright 2017 Alexey Stepanov aka penguinolog
+#    Copyright 2017-2018 Alexey Stepanov aka penguinolog
 ##
 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
 #    not use this file except in compliance with the License. You may obtain
diff --git a/threaded/_gthreadpooled2.py b/threaded/_gthreadpooled2.py
index 78a4371..ac7fade 100644
--- a/threaded/_gthreadpooled2.py
+++ b/threaded/_gthreadpooled2.py
@@ -1,4 +1,4 @@
-#    Copyright 2017 Alexey Stepanov aka penguinolog
+#    Copyright 2017-2018 Alexey Stepanov aka penguinolog
 ##
 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
 #    not use this file except in compliance with the License. You may obtain
diff --git a/threaded/_gthreadpooled3.py b/threaded/_gthreadpooled3.py
index cd8e6e2..d89a811 100644
--- a/threaded/_gthreadpooled3.py
+++ b/threaded/_gthreadpooled3.py
@@ -1,4 +1,4 @@
-#    Copyright 2017 Alexey Stepanov aka penguinolog
+#    Copyright 2017-2018 Alexey Stepanov aka penguinolog
 ##
 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
 #    not use this file except in compliance with the License. You may obtain
diff --git a/threaded/_py3_helpers.py b/threaded/_py3_helpers.py
index b159388..1ca4f56 100644
--- a/threaded/_py3_helpers.py
+++ b/threaded/_py3_helpers.py
@@ -1,4 +1,4 @@
-#    Copyright 2017 Alexey Stepanov aka penguinolog
+#    Copyright 2017-2018 Alexey Stepanov aka penguinolog
 ##
 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
 #    not use this file except in compliance with the License. You may obtain
diff --git a/threaded/_threaded2.py b/threaded/_threaded2.py
index 8d9c6b8..1273478 100644
--- a/threaded/_threaded2.py
+++ b/threaded/_threaded2.py
@@ -1,4 +1,4 @@
-#    Copyright 2017 Alexey Stepanov aka penguinolog
+#    Copyright 2017-2018 Alexey Stepanov aka penguinolog
 ##
 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
 #    not use this file except in compliance with the License. You may obtain
diff --git a/threaded/_threaded3.py b/threaded/_threaded3.py
index aea7558..606d475 100644
--- a/threaded/_threaded3.py
+++ b/threaded/_threaded3.py
@@ -1,4 +1,4 @@
-#    Copyright 2017 Alexey Stepanov aka penguinolog
+#    Copyright 2017-2018 Alexey Stepanov aka penguinolog
 ##
 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
 #    not use this file except in compliance with the License. You may obtain