diff --git a/src/main/java/net/gensokyoreimagined/nitori/core/MixinCraftPlayer.java b/src/main/java/net/gensokyoreimagined/nitori/core/MixinCraftPlayer.java
index 4a4f8b1..78dd35f 100644
--- a/src/main/java/net/gensokyoreimagined/nitori/core/MixinCraftPlayer.java
+++ b/src/main/java/net/gensokyoreimagined/nitori/core/MixinCraftPlayer.java
@@ -1,3 +1,17 @@
+// Nitori Copyright (C) 2024 Gensokyo Reimagined
+//
+// 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
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
 package net.gensokyoreimagined.nitori.core;
 
 import net.minecraft.Util;
diff --git a/src/main/java/net/gensokyoreimagined/nitori/core/MixinLevelStorageAccess.java b/src/main/java/net/gensokyoreimagined/nitori/core/MixinLevelStorageAccess.java
index 3ec8dae..c8b75c4 100644
--- a/src/main/java/net/gensokyoreimagined/nitori/core/MixinLevelStorageAccess.java
+++ b/src/main/java/net/gensokyoreimagined/nitori/core/MixinLevelStorageAccess.java
@@ -1,3 +1,17 @@
+// Nitori Copyright (C) 2024 Gensokyo Reimagined
+//
+// 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
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
 package net.gensokyoreimagined.nitori.core;
 
 import net.minecraft.Util;
diff --git a/src/main/java/net/gensokyoreimagined/nitori/core/MixinPlayerList.java b/src/main/java/net/gensokyoreimagined/nitori/core/MixinPlayerList.java
index 3e7758c..6f02988 100644
--- a/src/main/java/net/gensokyoreimagined/nitori/core/MixinPlayerList.java
+++ b/src/main/java/net/gensokyoreimagined/nitori/core/MixinPlayerList.java
@@ -1,3 +1,17 @@
+// Nitori Copyright (C) 2024 Gensokyo Reimagined
+//
+// 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
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
 package net.gensokyoreimagined.nitori.core;
 
 import net.minecraft.Util;