diff --git a/build.gradle b/build.gradle
index dce75f5..6826127 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 import java.nio.charset.StandardCharsets
 
 plugins {
-    id 'fabric-loom' version '1.7-SNAPSHOT'
+    id 'fabric-loom' version '1.9-SNAPSHOT'
     id 'maven-publish'
     id("com.modrinth.minotaur") version "2.8.7"
 }
@@ -26,10 +26,10 @@ dependencies {
 
     // Fabric API. This is technically optional, but you probably want it anyway.
     modImplementation("net.fabricmc.fabric-api:fabric-api:${project.fabric_version}")
-    modImplementation include("eu.pb4:polymer-core:0.9.11+1.21.1")
-    modImplementation include("xyz.nucleoid:server-translations-api:2.3.1+1.21-pre2")
-    modImplementation "maven.modrinth:lithium:mc1.21.1-0.13.0"
-    include(implementation("com.moulberry:mixinconstraints:1.0.1"))
+    modImplementation include("eu.pb4:polymer-core:0.11.3+1.21.4")
+    modImplementation include("xyz.nucleoid:server-translations-api:2.4.0+1.21.2-rc1")
+    modImplementation "maven.modrinth:lithium:mc1.21.4-0.14.3-fabric"
+    include(implementation("com.moulberry:mixinconstraints:1.0.2"))
 }
 
 loom {
diff --git a/gradle.properties b/gradle.properties
index 31e083c..66ad3be 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,9 +1,9 @@
 org.gradle.jvmargs=-Xmx1G
-minecraft_version=1.21.1
-yarn_mappings=1.21.1+build.3
-loader_version=0.16.2
-fabric_version=0.102.1+1.21.1
-mod_version=1.0.18
+minecraft_version=1.21.4
+yarn_mappings=1.21.4+build.2
+loader_version=0.16.9
+fabric_version=0.112.2+1.21.4
+mod_version=1.0.19
 maven_group=com.github.tatercertified
 archives_base_name=fabricautocrafter
 modrinth_id=wbqioEpc
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 171d876..18362b7 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.9-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.12-bin.zip
 networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/src/main/java/com/github/tatercertified/fabricautocrafter/AutoCrafter.java b/src/main/java/com/github/tatercertified/fabricautocrafter/AutoCrafter.java
index 48a4152..1e6e83f 100644
--- a/src/main/java/com/github/tatercertified/fabricautocrafter/AutoCrafter.java
+++ b/src/main/java/com/github/tatercertified/fabricautocrafter/AutoCrafter.java
@@ -8,6 +8,7 @@
 import net.minecraft.block.entity.BlockEntity;
 import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.item.ItemStack;
+import net.minecraft.server.world.ServerWorld;
 import net.minecraft.stat.Stats;
 import net.minecraft.util.ActionResult;
 import net.minecraft.util.ItemScatterer;
@@ -16,6 +17,7 @@
 import net.minecraft.world.World;
 import net.minecraft.world.explosion.Explosion;
 import org.jetbrains.annotations.Nullable;
+import xyz.nucleoid.packettweaker.PacketContext;
 
 import static net.minecraft.block.Blocks.CRAFTING_TABLE;
 
@@ -37,7 +39,7 @@ protected ActionResult onUse(BlockState state, World world, BlockPos pos, Player
     }
 
     @Override
-    public BlockState getPolymerBlockState(BlockState state) {
+    public BlockState getPolymerBlockState(BlockState blockState, PacketContext packetContext) {
         return CRAFTING_TABLE.getDefaultState();
     }
 
@@ -77,7 +79,7 @@ public void onStateReplaced(BlockState oldState, World world, BlockPos pos, Bloc
     }
 
     @Override
-    public void onDestroyedByExplosion(World world, BlockPos pos, Explosion explosion) {
+    public void onDestroyedByExplosion(ServerWorld world, BlockPos pos, Explosion explosion) {
         if (world.getBlockEntity(pos) instanceof AutoCraftingTableBlockEntity entity) {
             ItemScatterer.spawn(world, pos, entity.getHeldStacks());
             if (!entity.getOutput().isEmpty()) {
diff --git a/src/main/java/com/github/tatercertified/fabricautocrafter/AutoCrafterMod.java b/src/main/java/com/github/tatercertified/fabricautocrafter/AutoCrafterMod.java
index 5124419..7fe1c2f 100644
--- a/src/main/java/com/github/tatercertified/fabricautocrafter/AutoCrafterMod.java
+++ b/src/main/java/com/github/tatercertified/fabricautocrafter/AutoCrafterMod.java
@@ -3,6 +3,7 @@
 import eu.pb4.polymer.core.api.block.PolymerBlockUtils;
 import eu.pb4.polymer.core.api.item.PolymerBlockItem;
 import net.fabricmc.api.ModInitializer;
+import net.fabricmc.fabric.api.object.builder.v1.block.entity.FabricBlockEntityTypeBuilder;
 import net.minecraft.block.AbstractBlock;
 import net.minecraft.block.Block;
 import net.minecraft.block.Blocks;
@@ -22,7 +23,7 @@ public class AutoCrafterMod implements ModInitializer {
     public static final Identifier IDENTIFIER = Identifier.of("autocrafter", "autocrafter");
     public static final Block BLOCK = new AutoCrafter(AbstractBlock.Settings.copy(Blocks.CRAFTING_TABLE).strength(2.5f, 2.5f));
     public static final BlockItem ITEM = new PolymerBlockItem(BLOCK, new Item.Settings(), Items.CRAFTING_TABLE);
-    public static final BlockEntityType<AutoCraftingTableBlockEntity> TYPE = BlockEntityType.Builder.create(AutoCraftingTableBlockEntity::new, BLOCK).build(null);
+    public static final BlockEntityType<AutoCraftingTableBlockEntity> TYPE = FabricBlockEntityTypeBuilder.create(AutoCraftingTableBlockEntity::new, BLOCK).build();
 
     @Override
     public void onInitialize() {
diff --git a/src/main/java/com/github/tatercertified/fabricautocrafter/AutoCraftingTableBlockEntity.java b/src/main/java/com/github/tatercertified/fabricautocrafter/AutoCraftingTableBlockEntity.java
index 9e526cc..fed032f 100644
--- a/src/main/java/com/github/tatercertified/fabricautocrafter/AutoCraftingTableBlockEntity.java
+++ b/src/main/java/com/github/tatercertified/fabricautocrafter/AutoCraftingTableBlockEntity.java
@@ -50,7 +50,7 @@ protected void writeNbt(NbtCompound nbt, RegistryWrapper.WrapperLookup registryL
         super.writeNbt(nbt, registryLookup);
         Inventories.writeNbt(nbt, inventory, registryLookup);
         if (!output.isEmpty()) {
-            nbt.put("Output", output.encode(registryLookup));
+            nbt.put("Output", output.toNbt(registryLookup));
         }
     }
 
@@ -169,7 +169,7 @@ public boolean canPlayerUse(PlayerEntity player) {
     }
 
     @Override
-    public void provideRecipeInputs(RecipeMatcher finder) {
+    public void provideRecipeInputs(RecipeFinder finder) {
         for (ItemStack stack : this.inventory) finder.addInput(stack);
     }
 
diff --git a/src/main/java/com/github/tatercertified/fabricautocrafter/AutoCraftingTableContainer.java b/src/main/java/com/github/tatercertified/fabricautocrafter/AutoCraftingTableContainer.java
index f3d49e8..ca0b388 100644
--- a/src/main/java/com/github/tatercertified/fabricautocrafter/AutoCraftingTableContainer.java
+++ b/src/main/java/com/github/tatercertified/fabricautocrafter/AutoCraftingTableContainer.java
@@ -7,10 +7,7 @@
 import net.minecraft.inventory.Inventory;
 import net.minecraft.item.ItemStack;
 import net.minecraft.network.packet.s2c.play.ScreenHandlerSlotUpdateS2CPacket;
-import net.minecraft.recipe.CraftingRecipe;
-import net.minecraft.recipe.RecipeEntry;
-import net.minecraft.recipe.RecipeMatcher;
-import net.minecraft.recipe.RecipeUnlocker;
+import net.minecraft.recipe.*;
 import net.minecraft.screen.CraftingScreenHandler;
 import net.minecraft.screen.slot.Slot;
 import net.minecraft.server.network.ServerPlayNetworkHandler;
@@ -86,27 +83,28 @@ public void close(PlayerEntity player) {
     }
 
     @Override
-    public void populateRecipeFinder(RecipeMatcher finder) {
+    public void populateRecipeFinder(RecipeFinder finder) {
         this.crafting_inv.provideRecipeInputs(finder);
     }
 
-    @Override
-    public void clearCraftingSlots() {
-        this.crafting_inv.clear();
-    }
+    // TODO See if these are needed anymore
+    //@Override
+    //public void clearCraftingSlots() {
+    //    this.crafting_inv.clear();
+    //}
 
-    @Override
-    public boolean matches(RecipeEntry<CraftingRecipe> recipe) {
-        return recipe.value().matches(this.crafting_inv.createRecipeInput(), this.player.getWorld());
-    }
+    //@Override
+    //public boolean matches(RecipeEntry<CraftingRecipe> recipe) {
+    //    return recipe.value().matches(this.crafting_inv.createRecipeInput(), this.player.getWorld());
+    //}
 
     @Override
-    public int getCraftingWidth() {
+    public int getWidth() {
         return this.crafting_inv.getWidth();
     }
 
     @Override
-    public int getCraftingHeight() {
+    public int getHeight() {
         return this.crafting_inv.getHeight();
     }
 
diff --git a/src/main/java/com/github/tatercertified/fabricautocrafter/mixin/LithiumBlockEntityOptimizations.java b/src/main/java/com/github/tatercertified/fabricautocrafter/mixin/LithiumBlockEntityOptimizations.java
index df3182c..0a08182 100644
--- a/src/main/java/com/github/tatercertified/fabricautocrafter/mixin/LithiumBlockEntityOptimizations.java
+++ b/src/main/java/com/github/tatercertified/fabricautocrafter/mixin/LithiumBlockEntityOptimizations.java
@@ -2,8 +2,8 @@
 
 import com.github.tatercertified.fabricautocrafter.AutoCraftingTableBlockEntity;
 import com.moulberry.mixinconstraints.annotations.IfModLoaded;
-import me.jellysquid.mods.lithium.common.block.entity.SleepingBlockEntity;
-import me.jellysquid.mods.lithium.mixin.world.block_entity_ticking.sleeping.WrappedBlockEntityTickInvokerAccessor;
+import net.caffeinemc.mods.lithium.common.block.entity.SleepingBlockEntity;
+import net.caffeinemc.mods.lithium.mixin.world.block_entity_ticking.sleeping.WrappedBlockEntityTickInvokerAccessor;
 import net.minecraft.block.BlockState;
 import net.minecraft.block.entity.BlockEntityType;
 import net.minecraft.block.entity.LockableContainerBlockEntity;
diff --git a/src/main/java/com/github/tatercertified/fabricautocrafter/mixin/LithiumSleepControlMixin.java b/src/main/java/com/github/tatercertified/fabricautocrafter/mixin/LithiumSleepControlMixin.java
index 6399af2..2b567c6 100644
--- a/src/main/java/com/github/tatercertified/fabricautocrafter/mixin/LithiumSleepControlMixin.java
+++ b/src/main/java/com/github/tatercertified/fabricautocrafter/mixin/LithiumSleepControlMixin.java
@@ -3,7 +3,7 @@
 import com.github.tatercertified.fabricautocrafter.AutoCraftingTableBlockEntity;
 import com.github.tatercertified.fabricautocrafter.AutoCraftingTableContainer;
 import com.moulberry.mixinconstraints.annotations.IfModLoaded;
-import me.jellysquid.mods.lithium.common.block.entity.SleepingBlockEntity;
+import net.caffeinemc.mods.lithium.common.block.entity.SleepingBlockEntity;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.injection.At;
diff --git a/src/main/resources/fabric.mod.json b/src/main/resources/fabric.mod.json
index ef9088f..90be134 100644
--- a/src/main/resources/fabric.mod.json
+++ b/src/main/resources/fabric.mod.json
@@ -24,7 +24,7 @@
   "depends": {
     "fabricloader": "*",
     "fabric": "*",
-    "minecraft": ">=1.21",
+    "minecraft": ">=1.21.4",
     "java": ">=21"
   },
   "recommends": {