diff --git a/gradle.properties b/gradle.properties
index c506e636e2..66ade9902f 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -6,7 +6,7 @@ org.gradle.parallel=true
 
 JAVA_VERSION=21
 MC_VERSION=1.21
-MC_NEXT_VERSION=1.21
+MC_NEXT_VERSION=1.22
 MCP_VERSION=20240613.102039
 MAPPING_CHANNEL=official
 MAPPING_VERSION=1.21
diff --git a/src/main/java/net/minecraftforge/common/util/ClearableLazy.java b/src/main/java/net/minecraftforge/common/util/ClearableLazy.java
index d139a7e094..dcb5a386ac 100644
--- a/src/main/java/net/minecraftforge/common/util/ClearableLazy.java
+++ b/src/main/java/net/minecraftforge/common/util/ClearableLazy.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright (c) Forge Development LLC and contributors
+ * SPDX-License-Identifier: LGPL-2.1-only
+ */
+
 package net.minecraftforge.common.util;
 
 
diff --git a/src/main/java/net/minecraftforge/event/GatherComponentsEvent.java b/src/main/java/net/minecraftforge/event/GatherComponentsEvent.java
index 011651fa6a..778a579521 100644
--- a/src/main/java/net/minecraftforge/event/GatherComponentsEvent.java
+++ b/src/main/java/net/minecraftforge/event/GatherComponentsEvent.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright (c) Forge Development LLC and contributors
+ * SPDX-License-Identifier: LGPL-2.1-only
+ */
+
 package net.minecraftforge.event;
 
 import net.minecraft.core.component.DataComponentMap;
diff --git a/src/test/java/net/minecraftforge/debug/client/CustomizeGuiOverlayEventTest.java b/src/test/java/net/minecraftforge/debug/client/CustomizeGuiOverlayEventTest.java
index c21acccfe2..f30b852fc9 100644
--- a/src/test/java/net/minecraftforge/debug/client/CustomizeGuiOverlayEventTest.java
+++ b/src/test/java/net/minecraftforge/debug/client/CustomizeGuiOverlayEventTest.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright (c) Forge Development LLC and contributors
+ * SPDX-License-Identifier: LGPL-2.1-only
+ */
+
 package net.minecraftforge.debug.client;
 
 import net.minecraftforge.client.event.CustomizeGuiOverlayEvent;
diff --git a/src/test/java/net/minecraftforge/debug/gameplay/biome/BiomeTestMod.java b/src/test/java/net/minecraftforge/debug/gameplay/biome/BiomeTestMod.java
index ff401cc07d..5ed1331696 100644
--- a/src/test/java/net/minecraftforge/debug/gameplay/biome/BiomeTestMod.java
+++ b/src/test/java/net/minecraftforge/debug/gameplay/biome/BiomeTestMod.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright (c) Forge Development LLC and contributors
+ * SPDX-License-Identifier: LGPL-2.1-only
+ */
+
 package net.minecraftforge.debug.gameplay.biome;
 
 import net.minecraft.core.HolderLookup;
diff --git a/src/test/java/net/minecraftforge/debug/gameplay/item/GatherComponentsEventTest.java b/src/test/java/net/minecraftforge/debug/gameplay/item/GatherComponentsEventTest.java
index da9102eff8..22ab98f29a 100644
--- a/src/test/java/net/minecraftforge/debug/gameplay/item/GatherComponentsEventTest.java
+++ b/src/test/java/net/minecraftforge/debug/gameplay/item/GatherComponentsEventTest.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright (c) Forge Development LLC and contributors
+ * SPDX-License-Identifier: LGPL-2.1-only
+ */
+
 package net.minecraftforge.debug.gameplay.item;
 
 import net.minecraft.core.component.DataComponents;