diff --git a/api/pom.xml b/api/pom.xml
index 8182f60..7adc2da 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -1,5 +1,5 @@
 <!--
-  ~ Copyright (C) 2011-2020 lishid. All rights reserved.
+  ~ Copyright (C) 2011-2021 lishid. All rights reserved.
   ~
   ~ 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/api/src/main/java/com/lishid/openinv/IOpenInv.java b/api/src/main/java/com/lishid/openinv/IOpenInv.java
index ae5c41e..64697ff 100644
--- a/api/src/main/java/com/lishid/openinv/IOpenInv.java
+++ b/api/src/main/java/com/lishid/openinv/IOpenInv.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/api/src/main/java/com/lishid/openinv/internal/IAnySilentContainer.java b/api/src/main/java/com/lishid/openinv/internal/IAnySilentContainer.java
index 02cab77..d5e586b 100644
--- a/api/src/main/java/com/lishid/openinv/internal/IAnySilentContainer.java
+++ b/api/src/main/java/com/lishid/openinv/internal/IAnySilentContainer.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/api/src/main/java/com/lishid/openinv/internal/IInventoryAccess.java b/api/src/main/java/com/lishid/openinv/internal/IInventoryAccess.java
index 3767704..baa76a0 100644
--- a/api/src/main/java/com/lishid/openinv/internal/IInventoryAccess.java
+++ b/api/src/main/java/com/lishid/openinv/internal/IInventoryAccess.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/api/src/main/java/com/lishid/openinv/internal/ISpecialEnderChest.java b/api/src/main/java/com/lishid/openinv/internal/ISpecialEnderChest.java
index 86657b0..4f86486 100644
--- a/api/src/main/java/com/lishid/openinv/internal/ISpecialEnderChest.java
+++ b/api/src/main/java/com/lishid/openinv/internal/ISpecialEnderChest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/api/src/main/java/com/lishid/openinv/internal/ISpecialInventory.java b/api/src/main/java/com/lishid/openinv/internal/ISpecialInventory.java
index d53ae32..86a2dc1 100644
--- a/api/src/main/java/com/lishid/openinv/internal/ISpecialInventory.java
+++ b/api/src/main/java/com/lishid/openinv/internal/ISpecialInventory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/api/src/main/java/com/lishid/openinv/internal/ISpecialPlayerInventory.java b/api/src/main/java/com/lishid/openinv/internal/ISpecialPlayerInventory.java
index f06f724..f15bc1a 100644
--- a/api/src/main/java/com/lishid/openinv/internal/ISpecialPlayerInventory.java
+++ b/api/src/main/java/com/lishid/openinv/internal/ISpecialPlayerInventory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/api/src/main/java/com/lishid/openinv/util/InventoryAccess.java b/api/src/main/java/com/lishid/openinv/util/InventoryAccess.java
index 9c2ffd7..90885da 100644
--- a/api/src/main/java/com/lishid/openinv/util/InventoryAccess.java
+++ b/api/src/main/java/com/lishid/openinv/util/InventoryAccess.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/api/src/main/java/com/lishid/openinv/util/StringMetric.java b/api/src/main/java/com/lishid/openinv/util/StringMetric.java
index fe2e4a8..8a2dae3 100644
--- a/api/src/main/java/com/lishid/openinv/util/StringMetric.java
+++ b/api/src/main/java/com/lishid/openinv/util/StringMetric.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/assembly/pom.xml b/assembly/pom.xml
index 0390710..76aa28a 100644
--- a/assembly/pom.xml
+++ b/assembly/pom.xml
@@ -1,5 +1,5 @@
 <!--
-  ~ Copyright (C) 2011-2020 lishid. All rights reserved.
+  ~ Copyright (C) 2011-2021 lishid. All rights reserved.
   ~
   ~ 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/assembly/src/assembly/reactor-uberjar.xml b/assembly/src/assembly/reactor-uberjar.xml
index afe5bfa..cb400f3 100644
--- a/assembly/src/assembly/reactor-uberjar.xml
+++ b/assembly/src/assembly/reactor-uberjar.xml
@@ -1,5 +1,5 @@
 <!--
-  ~ Copyright (C) 2011-2020 lishid. All rights reserved.
+  ~ Copyright (C) 2011-2021 lishid. All rights reserved.
   ~
   ~ 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/internal/v1_16_R3/pom.xml b/internal/v1_16_R3/pom.xml
index 673afbb..13f5dc5 100644
--- a/internal/v1_16_R3/pom.xml
+++ b/internal/v1_16_R3/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  ~ Copyright (C) 2011-2020 lishid. All rights reserved.
+  ~ Copyright (C) 2011-2021 lishid. All rights reserved.
   ~
   ~ 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/internal/v1_16_R3/src/main/java/com/lishid/openinv/internal/v1_16_R3/AnySilentContainer.java b/internal/v1_16_R3/src/main/java/com/lishid/openinv/internal/v1_16_R3/AnySilentContainer.java
index 5d78617..36281c2 100644
--- a/internal/v1_16_R3/src/main/java/com/lishid/openinv/internal/v1_16_R3/AnySilentContainer.java
+++ b/internal/v1_16_R3/src/main/java/com/lishid/openinv/internal/v1_16_R3/AnySilentContainer.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/internal/v1_16_R3/src/main/java/com/lishid/openinv/internal/v1_16_R3/PlayerDataManager.java b/internal/v1_16_R3/src/main/java/com/lishid/openinv/internal/v1_16_R3/PlayerDataManager.java
index 35cae33..56490ec 100644
--- a/internal/v1_16_R3/src/main/java/com/lishid/openinv/internal/v1_16_R3/PlayerDataManager.java
+++ b/internal/v1_16_R3/src/main/java/com/lishid/openinv/internal/v1_16_R3/PlayerDataManager.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/internal/v1_16_R3/src/main/java/com/lishid/openinv/internal/v1_16_R3/SpecialEnderChest.java b/internal/v1_16_R3/src/main/java/com/lishid/openinv/internal/v1_16_R3/SpecialEnderChest.java
index f5717ef..c2bf061 100644
--- a/internal/v1_16_R3/src/main/java/com/lishid/openinv/internal/v1_16_R3/SpecialEnderChest.java
+++ b/internal/v1_16_R3/src/main/java/com/lishid/openinv/internal/v1_16_R3/SpecialEnderChest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/internal/v1_16_R3/src/main/java/com/lishid/openinv/internal/v1_16_R3/SpecialPlayerInventory.java b/internal/v1_16_R3/src/main/java/com/lishid/openinv/internal/v1_16_R3/SpecialPlayerInventory.java
index cffc59e..df9325c 100644
--- a/internal/v1_16_R3/src/main/java/com/lishid/openinv/internal/v1_16_R3/SpecialPlayerInventory.java
+++ b/internal/v1_16_R3/src/main/java/com/lishid/openinv/internal/v1_16_R3/SpecialPlayerInventory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/plugin/pom.xml b/plugin/pom.xml
index 3bf3393..fa7537d 100644
--- a/plugin/pom.xml
+++ b/plugin/pom.xml
@@ -1,5 +1,5 @@
 <!--
-  ~ Copyright (C) 2011-2020 lishid. All rights reserved.
+  ~ Copyright (C) 2011-2021 lishid. All rights reserved.
   ~
   ~ 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/plugin/src/main/java/com/lishid/openinv/OpenInv.java b/plugin/src/main/java/com/lishid/openinv/OpenInv.java
index a8ac3a1..3d34472 100644
--- a/plugin/src/main/java/com/lishid/openinv/OpenInv.java
+++ b/plugin/src/main/java/com/lishid/openinv/OpenInv.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/plugin/src/main/java/com/lishid/openinv/commands/ContainerSettingCommand.java b/plugin/src/main/java/com/lishid/openinv/commands/ContainerSettingCommand.java
index 1a76543..347030c 100644
--- a/plugin/src/main/java/com/lishid/openinv/commands/ContainerSettingCommand.java
+++ b/plugin/src/main/java/com/lishid/openinv/commands/ContainerSettingCommand.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/plugin/src/main/java/com/lishid/openinv/commands/OpenInvCommand.java b/plugin/src/main/java/com/lishid/openinv/commands/OpenInvCommand.java
index 4571df8..3eaa5e6 100644
--- a/plugin/src/main/java/com/lishid/openinv/commands/OpenInvCommand.java
+++ b/plugin/src/main/java/com/lishid/openinv/commands/OpenInvCommand.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/plugin/src/main/java/com/lishid/openinv/commands/SearchContainerCommand.java b/plugin/src/main/java/com/lishid/openinv/commands/SearchContainerCommand.java
index 7242ee9..41b4524 100644
--- a/plugin/src/main/java/com/lishid/openinv/commands/SearchContainerCommand.java
+++ b/plugin/src/main/java/com/lishid/openinv/commands/SearchContainerCommand.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/plugin/src/main/java/com/lishid/openinv/commands/SearchEnchantCommand.java b/plugin/src/main/java/com/lishid/openinv/commands/SearchEnchantCommand.java
index 7f5eca9..61899fd 100644
--- a/plugin/src/main/java/com/lishid/openinv/commands/SearchEnchantCommand.java
+++ b/plugin/src/main/java/com/lishid/openinv/commands/SearchEnchantCommand.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/plugin/src/main/java/com/lishid/openinv/commands/SearchInvCommand.java b/plugin/src/main/java/com/lishid/openinv/commands/SearchInvCommand.java
index c471b30..3b2cbfb 100644
--- a/plugin/src/main/java/com/lishid/openinv/commands/SearchInvCommand.java
+++ b/plugin/src/main/java/com/lishid/openinv/commands/SearchInvCommand.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/plugin/src/main/java/com/lishid/openinv/internal/IPlayerDataManager.java b/plugin/src/main/java/com/lishid/openinv/internal/IPlayerDataManager.java
index 1a81491..3778054 100644
--- a/plugin/src/main/java/com/lishid/openinv/internal/IPlayerDataManager.java
+++ b/plugin/src/main/java/com/lishid/openinv/internal/IPlayerDataManager.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/plugin/src/main/java/com/lishid/openinv/listeners/InventoryListener.java b/plugin/src/main/java/com/lishid/openinv/listeners/InventoryListener.java
index 2b87c50..ea8dad3 100644
--- a/plugin/src/main/java/com/lishid/openinv/listeners/InventoryListener.java
+++ b/plugin/src/main/java/com/lishid/openinv/listeners/InventoryListener.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/plugin/src/main/java/com/lishid/openinv/listeners/PlayerListener.java b/plugin/src/main/java/com/lishid/openinv/listeners/PlayerListener.java
index 5f6712a..044436b 100644
--- a/plugin/src/main/java/com/lishid/openinv/listeners/PlayerListener.java
+++ b/plugin/src/main/java/com/lishid/openinv/listeners/PlayerListener.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/plugin/src/main/java/com/lishid/openinv/listeners/PluginListener.java b/plugin/src/main/java/com/lishid/openinv/listeners/PluginListener.java
index 546ae26..850c988 100644
--- a/plugin/src/main/java/com/lishid/openinv/listeners/PluginListener.java
+++ b/plugin/src/main/java/com/lishid/openinv/listeners/PluginListener.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/plugin/src/main/java/com/lishid/openinv/util/Cache.java b/plugin/src/main/java/com/lishid/openinv/util/Cache.java
index fc8c60e..5f2e8dc 100644
--- a/plugin/src/main/java/com/lishid/openinv/util/Cache.java
+++ b/plugin/src/main/java/com/lishid/openinv/util/Cache.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/plugin/src/main/java/com/lishid/openinv/util/ConfigUpdater.java b/plugin/src/main/java/com/lishid/openinv/util/ConfigUpdater.java
index faecfc8..9ed6fb8 100644
--- a/plugin/src/main/java/com/lishid/openinv/util/ConfigUpdater.java
+++ b/plugin/src/main/java/com/lishid/openinv/util/ConfigUpdater.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/plugin/src/main/java/com/lishid/openinv/util/InternalAccessor.java b/plugin/src/main/java/com/lishid/openinv/util/InternalAccessor.java
index 236d0cf..4f05407 100644
--- a/plugin/src/main/java/com/lishid/openinv/util/InternalAccessor.java
+++ b/plugin/src/main/java/com/lishid/openinv/util/InternalAccessor.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/plugin/src/main/java/com/lishid/openinv/util/LanguageManager.java b/plugin/src/main/java/com/lishid/openinv/util/LanguageManager.java
index 8eadcb9..2b8541e 100644
--- a/plugin/src/main/java/com/lishid/openinv/util/LanguageManager.java
+++ b/plugin/src/main/java/com/lishid/openinv/util/LanguageManager.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 Jikoo. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/plugin/src/main/java/com/lishid/openinv/util/Permissions.java b/plugin/src/main/java/com/lishid/openinv/util/Permissions.java
index 859ba13..7876af3 100644
--- a/plugin/src/main/java/com/lishid/openinv/util/Permissions.java
+++ b/plugin/src/main/java/com/lishid/openinv/util/Permissions.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/plugin/src/main/java/com/lishid/openinv/util/TabCompleter.java b/plugin/src/main/java/com/lishid/openinv/util/TabCompleter.java
index 77538f9..882274f 100644
--- a/plugin/src/main/java/com/lishid/openinv/util/TabCompleter.java
+++ b/plugin/src/main/java/com/lishid/openinv/util/TabCompleter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2020 lishid. All rights reserved.
+ * Copyright (C) 2011-2021 lishid. All rights reserved.
  *
  * 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/pom.xml b/pom.xml
index 8940b5f..8014443 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,5 +1,5 @@
 <!--
-  ~ Copyright (C) 2011-2020 lishid. All rights reserved.
+  ~ Copyright (C) 2011-2021 lishid. All rights reserved.
   ~
   ~ 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