diff --git a/src/main/java/org/asamk/signal/Main.java b/src/main/java/org/asamk/signal/Main.java
index b9209631..1eb36b2a 100644
--- a/src/main/java/org/asamk/signal/Main.java
+++ b/src/main/java/org/asamk/signal/Main.java
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 2015-2020 AsamK and contributors
+  Copyright (C) 2015-2021 AsamK and contributors
 
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
diff --git a/src/main/java/org/asamk/signal/manager/Manager.java b/src/main/java/org/asamk/signal/manager/Manager.java
index 9d090a58..097c4c0d 100644
--- a/src/main/java/org/asamk/signal/manager/Manager.java
+++ b/src/main/java/org/asamk/signal/manager/Manager.java
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 2015-2020 AsamK and contributors
+  Copyright (C) 2015-2021 AsamK and contributors
 
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
diff --git a/src/main/java/org/asamk/signal/manager/ProvisioningManager.java b/src/main/java/org/asamk/signal/manager/ProvisioningManager.java
index 475c90b8..0648c0d3 100644
--- a/src/main/java/org/asamk/signal/manager/ProvisioningManager.java
+++ b/src/main/java/org/asamk/signal/manager/ProvisioningManager.java
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 2015-2020 AsamK and contributors
+  Copyright (C) 2015-2021 AsamK and contributors
 
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by