diff --git a/config/checkstyle/checkstyle.xml b/config/checkstyle/checkstyle.xml
index b01b63204..f43a6ad0e 100644
--- a/config/checkstyle/checkstyle.xml
+++ b/config/checkstyle/checkstyle.xml
@@ -157,6 +157,7 @@
         </module>
         <module name="WhitespaceAround">
             <property name="allowEmptyConstructors" value="true" />
+            <property name="allowEmptyTypes" value="true" />
             <property name="ignoreEnhancedForColon" value="false" />
             <property name="tokens" value="ASSIGN,BAND,BAND_ASSIGN,BOR,BOR_ASSIGN,BSR,BSR_ASSIGN,BXOR,BXOR_ASSIGN,COLON,DIV,DIV_ASSIGN,EQUAL,GE,GT,LAMBDA,LAND,LCURLY,LE,LITERAL_RETURN,LOR,LT,MINUS,MINUS_ASSIGN,MOD,MOD_ASSIGN,NOT_EQUAL,PLUS,PLUS_ASSIGN,QUESTION,RCURLY,SL,SLIST,SL_ASSIGN,SR,SR_ASSIGN,STAR,STAR_ASSIGN,LITERAL_ASSERT,TYPE_EXTENSION_AND" />
         </module>
diff --git a/gradle.properties b/gradle.properties
index 42181f6a0..50b4e80d8 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -5,6 +5,6 @@ mod_version=1.98.2
 
 # Minecraft properties (update mods.toml when changing)
 mc_version=1.17.1
-mapping_version=2021.08.15
-forge_version=37.0.69
+mapping_version=2021.09.05
+forge_version=37.0.82
 # NO SERIOUSLY, UPDATE mods.toml WHEN CHANGING
diff --git a/src/main/java/dan200/computercraft/shared/Capabilities.java b/src/main/java/dan200/computercraft/shared/Capabilities.java
index 83c31896b..0fac9a45d 100644
--- a/src/main/java/dan200/computercraft/shared/Capabilities.java
+++ b/src/main/java/dan200/computercraft/shared/Capabilities.java
@@ -8,15 +8,14 @@ package dan200.computercraft.shared;
 import dan200.computercraft.api.network.wired.IWiredElement;
 import dan200.computercraft.api.peripheral.IPeripheral;
 import net.minecraftforge.common.capabilities.Capability;
-import net.minecraftforge.common.capabilities.CapabilityInject;
+import net.minecraftforge.common.capabilities.CapabilityManager;
+import net.minecraftforge.common.capabilities.CapabilityToken;
 
 public final class Capabilities
 {
-    @CapabilityInject( IPeripheral.class )
-    public static Capability<IPeripheral> CAPABILITY_PERIPHERAL = null;
+    public static final Capability<IPeripheral> CAPABILITY_PERIPHERAL = CapabilityManager.get( new CapabilityToken<>() {} );
 
-    @CapabilityInject( IWiredElement.class )
-    public static Capability<IWiredElement> CAPABILITY_WIRED_ELEMENT = null;
+    public static final Capability<IWiredElement> CAPABILITY_WIRED_ELEMENT = CapabilityManager.get( new CapabilityToken<>() {} );
 
     private Capabilities()
     {
diff --git a/src/main/java/dan200/computercraft/shared/peripheral/generic/data/ItemData.java b/src/main/java/dan200/computercraft/shared/peripheral/generic/data/ItemData.java
index f1c58e293..36a4e9129 100644
--- a/src/main/java/dan200/computercraft/shared/peripheral/generic/data/ItemData.java
+++ b/src/main/java/dan200/computercraft/shared/peripheral/generic/data/ItemData.java
@@ -15,7 +15,6 @@ import net.minecraft.world.item.EnchantedBookItem;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.enchantment.Enchantment;
 import net.minecraft.world.item.enchantment.EnchantmentHelper;
-import net.minecraftforge.common.util.Constants;
 
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
@@ -69,12 +68,12 @@ public class ItemData
         data.put( "tags", DataHelpers.getTags( stack.getItem().getTags() ) );
 
         CompoundTag tag = stack.getTag();
-        if( tag != null && tag.contains( "display", Constants.NBT.TAG_COMPOUND ) )
+        if( tag != null && tag.contains( "display", Tag.TAG_COMPOUND ) )
         {
             CompoundTag displayTag = tag.getCompound( "display" );
-            if( displayTag.contains( "Lore", Constants.NBT.TAG_LIST ) )
+            if( displayTag.contains( "Lore", Tag.TAG_LIST ) )
             {
-                ListTag loreTag = displayTag.getList( "Lore", Constants.NBT.TAG_STRING );
+                ListTag loreTag = displayTag.getList( "Lore", Tag.TAG_STRING );
                 data.put( "lore", loreTag.stream()
                     .map( ItemData::parseTextComponent )
                     .filter( Objects::nonNull )
diff --git a/src/main/java/dan200/computercraft/shared/peripheral/modem/wired/WiredModemLocalPeripheral.java b/src/main/java/dan200/computercraft/shared/peripheral/modem/wired/WiredModemLocalPeripheral.java
index 61072bd61..d1cabccfb 100644
--- a/src/main/java/dan200/computercraft/shared/peripheral/modem/wired/WiredModemLocalPeripheral.java
+++ b/src/main/java/dan200/computercraft/shared/peripheral/modem/wired/WiredModemLocalPeripheral.java
@@ -12,9 +12,9 @@ import dan200.computercraft.shared.util.IDAssigner;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
 import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.Tag;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.block.Block;
-import net.minecraftforge.common.util.Constants;
 import net.minecraftforge.common.util.LazyOptional;
 import net.minecraftforge.common.util.NonNullConsumer;
 
@@ -131,10 +131,10 @@ public final class WiredModemLocalPeripheral
 
     public void read( @Nonnull CompoundTag tag, @Nonnull String suffix )
     {
-        id = tag.contains( NBT_PERIPHERAL_ID + suffix, Constants.NBT.TAG_ANY_NUMERIC )
+        id = tag.contains( NBT_PERIPHERAL_ID + suffix, Tag.TAG_ANY_NUMERIC )
             ? tag.getInt( NBT_PERIPHERAL_ID + suffix ) : -1;
 
-        type = tag.contains( NBT_PERIPHERAL_TYPE + suffix, Constants.NBT.TAG_STRING )
+        type = tag.contains( NBT_PERIPHERAL_TYPE + suffix, Tag.TAG_STRING )
             ? tag.getString( NBT_PERIPHERAL_TYPE + suffix ) : null;
     }
 
diff --git a/src/main/java/dan200/computercraft/shared/pocket/core/PocketServerComputer.java b/src/main/java/dan200/computercraft/shared/pocket/core/PocketServerComputer.java
index 55025a084..cc465e2ab 100644
--- a/src/main/java/dan200/computercraft/shared/pocket/core/PocketServerComputer.java
+++ b/src/main/java/dan200/computercraft/shared/pocket/core/PocketServerComputer.java
@@ -16,6 +16,7 @@ import dan200.computercraft.shared.computer.core.ServerComputer;
 import dan200.computercraft.shared.network.NetworkHandler;
 import dan200.computercraft.shared.pocket.items.ItemPocketComputer;
 import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.Tag;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.world.entity.Entity;
@@ -24,7 +25,6 @@ import net.minecraft.world.entity.player.Inventory;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.level.Level;
-import net.minecraftforge.common.util.Constants;
 
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
@@ -83,7 +83,7 @@ public class PocketServerComputer extends ServerComputer implements IPocketAcces
     public int getLight()
     {
         CompoundTag tag = getUserData();
-        return tag.contains( NBT_LIGHT, Constants.NBT.TAG_ANY_NUMERIC ) ? tag.getInt( NBT_LIGHT ) : -1;
+        return tag.contains( NBT_LIGHT, Tag.TAG_ANY_NUMERIC ) ? tag.getInt( NBT_LIGHT ) : -1;
     }
 
     @Override
@@ -92,13 +92,13 @@ public class PocketServerComputer extends ServerComputer implements IPocketAcces
         CompoundTag tag = getUserData();
         if( colour >= 0 && colour <= 0xFFFFFF )
         {
-            if( !tag.contains( NBT_LIGHT, Constants.NBT.TAG_ANY_NUMERIC ) || tag.getInt( NBT_LIGHT ) != colour )
+            if( !tag.contains( NBT_LIGHT, Tag.TAG_ANY_NUMERIC ) || tag.getInt( NBT_LIGHT ) != colour )
             {
                 tag.putInt( NBT_LIGHT, colour );
                 updateUserData();
             }
         }
-        else if( tag.contains( NBT_LIGHT, Constants.NBT.TAG_ANY_NUMERIC ) )
+        else if( tag.contains( NBT_LIGHT, Tag.TAG_ANY_NUMERIC ) )
         {
             tag.remove( NBT_LIGHT );
             updateUserData();
diff --git a/src/main/java/dan200/computercraft/shared/turtle/blocks/TileTurtle.java b/src/main/java/dan200/computercraft/shared/turtle/blocks/TileTurtle.java
index bdb1063b3..e42f72ec9 100644
--- a/src/main/java/dan200/computercraft/shared/turtle/blocks/TileTurtle.java
+++ b/src/main/java/dan200/computercraft/shared/turtle/blocks/TileTurtle.java
@@ -28,6 +28,7 @@ import net.minecraft.core.Direction;
 import net.minecraft.core.NonNullList;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.nbt.ListTag;
+import net.minecraft.nbt.Tag;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.InteractionHand;
 import net.minecraft.world.InteractionResult;
@@ -43,7 +44,6 @@ import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.phys.BlockHitResult;
 import net.minecraft.world.phys.Vec3;
 import net.minecraftforge.common.capabilities.Capability;
-import net.minecraftforge.common.util.Constants;
 import net.minecraftforge.common.util.LazyOptional;
 import net.minecraftforge.items.IItemHandlerModifiable;
 import net.minecraftforge.items.wrapper.InvWrapper;
@@ -271,7 +271,7 @@ public class TileTurtle extends TileComputerBase implements ITurtleTile, Default
         super.load( nbt );
 
         // Read inventory
-        ListTag nbttaglist = nbt.getList( "Items", Constants.NBT.TAG_COMPOUND );
+        ListTag nbttaglist = nbt.getList( "Items", Tag.TAG_COMPOUND );
         inventory.clear();
         previousInventory.clear();
         for( int i = 0; i < nbttaglist.size(); i++ )
diff --git a/src/main/java/dan200/computercraft/shared/turtle/core/TurtleBrain.java b/src/main/java/dan200/computercraft/shared/turtle/core/TurtleBrain.java
index f64123fbc..2bdd77baf 100644
--- a/src/main/java/dan200/computercraft/shared/turtle/core/TurtleBrain.java
+++ b/src/main/java/dan200/computercraft/shared/turtle/core/TurtleBrain.java
@@ -26,6 +26,7 @@ import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
 import net.minecraft.core.particles.ParticleTypes;
 import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.Tag;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.tags.FluidTags;
 import net.minecraft.world.Container;
@@ -40,7 +41,6 @@ import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.level.material.FluidState;
 import net.minecraft.world.phys.AABB;
 import net.minecraft.world.phys.Vec3;
-import net.minecraftforge.common.util.Constants;
 import net.minecraftforge.items.IItemHandlerModifiable;
 import net.minecraftforge.items.wrapper.InvWrapper;
 
@@ -206,7 +206,7 @@ public class TurtleBrain implements ITurtleAccess
         selectedSlot = nbt.getInt( NBT_SLOT );
 
         // Read owner
-        if( nbt.contains( "Owner", Constants.NBT.TAG_COMPOUND ) )
+        if( nbt.contains( "Owner", Tag.TAG_COMPOUND ) )
         {
             CompoundTag owner = nbt.getCompound( "Owner" );
             owningPlayer = new GameProfile(
diff --git a/src/main/java/dan200/computercraft/shared/turtle/upgrades/TurtleTool.java b/src/main/java/dan200/computercraft/shared/turtle/upgrades/TurtleTool.java
index 4109cf067..3cd7f53e1 100644
--- a/src/main/java/dan200/computercraft/shared/turtle/upgrades/TurtleTool.java
+++ b/src/main/java/dan200/computercraft/shared/turtle/upgrades/TurtleTool.java
@@ -19,6 +19,7 @@ import dan200.computercraft.shared.util.WorldUtil;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
 import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.Tag;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.damagesource.DamageSource;
 import net.minecraft.world.entity.Entity;
@@ -36,7 +37,6 @@ import net.minecraft.world.phys.Vec3;
 import net.minecraftforge.api.distmarker.Dist;
 import net.minecraftforge.api.distmarker.OnlyIn;
 import net.minecraftforge.common.MinecraftForge;
-import net.minecraftforge.common.util.Constants;
 import net.minecraftforge.event.entity.player.AttackEntityEvent;
 import net.minecraftforge.event.world.BlockEvent;
 import org.apache.commons.lang3.tuple.Pair;
@@ -75,8 +75,8 @@ public class TurtleTool extends AbstractTurtleUpgrade
         // Check we've not got anything vaguely interesting on the item. We allow other mods to add their
         // own NBT, with the understanding such details will be lost to the mist of time.
         if( stack.isDamaged() || stack.isEnchanted() || stack.hasCustomHoverName() ) return false;
-        if( tag.contains( "AttributeModifiers", Constants.NBT.TAG_LIST ) &&
-            !tag.getList( "AttributeModifiers", Constants.NBT.TAG_COMPOUND ).isEmpty() )
+        if( tag.contains( "AttributeModifiers", Tag.TAG_LIST ) &&
+            !tag.getList( "AttributeModifiers", Tag.TAG_COMPOUND ).isEmpty() )
         {
             return false;
         }
diff --git a/src/main/java/dan200/computercraft/shared/util/NBTUtil.java b/src/main/java/dan200/computercraft/shared/util/NBTUtil.java
index aa5a09d20..9c30d5ce8 100644
--- a/src/main/java/dan200/computercraft/shared/util/NBTUtil.java
+++ b/src/main/java/dan200/computercraft/shared/util/NBTUtil.java
@@ -7,7 +7,6 @@ package dan200.computercraft.shared.util;
 
 import dan200.computercraft.ComputerCraft;
 import net.minecraft.nbt.*;
-import net.minecraftforge.common.util.Constants;
 import org.apache.commons.codec.binary.Hex;
 
 import javax.annotation.Nonnull;
@@ -21,8 +20,6 @@ import java.security.NoSuchAlgorithmException;
 import java.util.HashMap;
 import java.util.Map;
 
-import static net.minecraftforge.common.util.Constants.NBT.*;
-
 public final class NBTUtil
 {
     private NBTUtil() {}
@@ -74,14 +71,14 @@ public final class NBTUtil
         if( tag == null ) return null;
         switch( tag.getId() )
         {
-            case TAG_BYTE:
+            case Tag.TAG_BYTE:
                 return ((ByteTag) tag).getAsByte() > 0;
-            case TAG_DOUBLE:
+            case Tag.TAG_DOUBLE:
                 return ((DoubleTag) tag).getAsDouble();
             default:
-            case TAG_STRING:
+            case Tag.TAG_STRING:
                 return tag.getAsString();
-            case TAG_COMPOUND:
+            case Tag.TAG_COMPOUND:
             {
                 CompoundTag c = (CompoundTag) tag;
                 int len = c.getInt( "len" );
@@ -104,17 +101,17 @@ public final class NBTUtil
         byte typeID = tag.getId();
         switch( typeID )
         {
-            case Constants.NBT.TAG_BYTE:
-            case Constants.NBT.TAG_SHORT:
-            case Constants.NBT.TAG_INT:
-            case Constants.NBT.TAG_LONG:
+            case Tag.TAG_BYTE:
+            case Tag.TAG_SHORT:
+            case Tag.TAG_INT:
+            case Tag.TAG_LONG:
                 return ((NumericTag) tag).getAsLong();
-            case Constants.NBT.TAG_FLOAT:
-            case Constants.NBT.TAG_DOUBLE:
+            case Tag.TAG_FLOAT:
+            case Tag.TAG_DOUBLE:
                 return ((NumericTag) tag).getAsDouble();
-            case Constants.NBT.TAG_STRING: // String
+            case Tag.TAG_STRING: // String
                 return tag.getAsString();
-            case Constants.NBT.TAG_COMPOUND: // Compound
+            case Tag.TAG_COMPOUND: // Compound
             {
                 CompoundTag compound = (CompoundTag) tag;
                 Map<String, Object> map = new HashMap<>( compound.size() );
@@ -125,21 +122,21 @@ public final class NBTUtil
                 }
                 return map;
             }
-            case Constants.NBT.TAG_LIST:
+            case Tag.TAG_LIST:
             {
                 ListTag list = (ListTag) tag;
                 Map<Integer, Object> map = new HashMap<>( list.size() );
                 for( int i = 0; i < list.size(); i++ ) map.put( i, toLua( list.get( i ) ) );
                 return map;
             }
-            case Constants.NBT.TAG_BYTE_ARRAY:
+            case Tag.TAG_BYTE_ARRAY:
             {
                 byte[] array = ((ByteArrayTag) tag).getAsByteArray();
                 Map<Integer, Byte> map = new HashMap<>( array.length );
                 for( int i = 0; i < array.length; i++ ) map.put( i + 1, array[i] );
                 return map;
             }
-            case Constants.NBT.TAG_INT_ARRAY:
+            case Tag.TAG_INT_ARRAY:
             {
                 int[] array = ((IntArrayTag) tag).getAsIntArray();
                 Map<Integer, Integer> map = new HashMap<>( array.length );
diff --git a/src/main/resources/META-INF/mods.toml b/src/main/resources/META-INF/mods.toml
index f04ee4275..8d15381c8 100644
--- a/src/main/resources/META-INF/mods.toml
+++ b/src/main/resources/META-INF/mods.toml
@@ -20,6 +20,6 @@ CC: Tweaked is a fork of ComputerCraft, adding programmable computers, turtles a
 [[dependencies.computercraft]]
     modId="forge"
     mandatory=true
-    versionRange="[37.0.69,38)"
+    versionRange="[37.0.82,38)"
     ordering="NONE"
     side="BOTH"