diff --git a/gradle.properties b/gradle.properties
index 8981a51..278613a 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -3,12 +3,12 @@ org.gradle.jvmargs=-Xmx1G
 
 # minecraft, mappings and loader dependencies
 # check these on https://modmuss50.me/fabric.html
-minecraft_version=1.19.4
-quilt_mappings=10
-loader_version=0.14.14
+minecraft_version=1.20-rc1
+quilt_mappings=1
+loader_version=0.14.20
 
 # mod properties
-mod_version=1.1.0+mc1.19.4
+mod_version=1.1.0+mc1.20
 maven_group=rainglow
 archives_base_name=rainglow
 
@@ -16,4 +16,4 @@ archives_base_name=rainglow
 java_version=17
 spruceui_version=4.2.0+1.19.4
 mod_menu_version=6.1.0-rc.1
-fabric_api_version=0.76.0+1.19.4
+fabric_api_version=0.83.0+1.20
diff --git a/src/main/java/io/ix0rai/rainglow/mixin/AllayEntityMixin.java b/src/main/java/io/ix0rai/rainglow/mixin/AllayEntityMixin.java
index 5fe6852..f91a84c 100644
--- a/src/main/java/io/ix0rai/rainglow/mixin/AllayEntityMixin.java
+++ b/src/main/java/io/ix0rai/rainglow/mixin/AllayEntityMixin.java
@@ -46,11 +46,11 @@ public void readCustomDataFromNbt(NbtCompound nbt, CallbackInfo ci) {
     }
 
     // triggered when an allay duplicates, to apply the same colour as parent
-    @Redirect(method = "method_44363", at = @At(value = "INVOKE", target = "Lnet/minecraft/world/World;spawnEntity(Lnet/minecraft/entity/Entity;)Z"))
+    @Redirect(method = "duplicate", at = @At(value = "INVOKE", target = "Lnet/minecraft/world/World;spawnEntity(Lnet/minecraft/entity/Entity;)Z"))
     public boolean spawnWithColour(World instance, Entity entity) {
         RainglowColour colour = RainglowColour.get(Rainglow.getColour(RainglowEntity.ALLAY, this.getDataTracker(), this.getRandom()));
         entity.getDataTracker().set(Rainglow.getTrackedColourData(RainglowEntity.ALLAY), colour.getId());
-        return this.world.spawnEntity(entity);
+        return this.getWorld().spawnEntity(entity);
     }
 
     @Override
diff --git a/src/main/java/io/ix0rai/rainglow/mixin/DyeItemMixin.java b/src/main/java/io/ix0rai/rainglow/mixin/DyeItemMixin.java
index 2c06407..014aecc 100644
--- a/src/main/java/io/ix0rai/rainglow/mixin/DyeItemMixin.java
+++ b/src/main/java/io/ix0rai/rainglow/mixin/DyeItemMixin.java
@@ -28,35 +28,35 @@ private void useOnEntity(ItemStack stack, PlayerEntity user, LivingEntity entity
         String colour = getDye(stack);
 
         if (entity instanceof GlowSquidEntity glowSquid && glowSquid.isAlive() && !Rainglow.getColour(RainglowEntity.GLOW_SQUID, glowSquid.getDataTracker(), glowSquid.getRandom()).equals(colour)) {
-            glowSquid.world.playSoundFromEntity(user, glowSquid, SoundEvents.BLOCK_AMETHYST_BLOCK_CHIME, SoundCategory.PLAYERS, 1.0f, 1.0f);
-            if (!user.world.isClient) {
+            glowSquid.getWorld().playSoundFromEntity(user, glowSquid, SoundEvents.BLOCK_AMETHYST_BLOCK_CHIME, SoundCategory.PLAYERS, 1.0f, 1.0f);
+            if (!user.getWorld().isClient()) {
                 stack.decrement(1);
             }
 
             DataTracker tracker = glowSquid.getDataTracker();
             tracker.set(Rainglow.getTrackedColourData(RainglowEntity.GLOW_SQUID), colour);
 
-            cir.setReturnValue(ActionResult.success(user.world.isClient));
+            cir.setReturnValue(ActionResult.success(user.getWorld().isClient()));
         } else if (entity instanceof AllayEntity allayEntity && allayEntity.isAlive() && !Rainglow.getColour(RainglowEntity.ALLAY, allayEntity.getDataTracker(), allayEntity.getRandom()).equals(colour)) {
-            allayEntity.world.playSoundFromEntity(user, allayEntity, SoundEvents.BLOCK_AMETHYST_BLOCK_CHIME, SoundCategory.PLAYERS, 1.0f, 1.0f);
-            if (!user.world.isClient) {
+            allayEntity.getWorld().playSoundFromEntity(user, allayEntity, SoundEvents.BLOCK_AMETHYST_BLOCK_CHIME, SoundCategory.PLAYERS, 1.0f, 1.0f);
+            if (!user.getWorld().isClient()) {
                 stack.decrement(1);
             }
 
             DataTracker tracker = allayEntity.getDataTracker();
             tracker.set(Rainglow.getTrackedColourData(RainglowEntity.ALLAY), colour);
 
-            cir.setReturnValue(ActionResult.success(user.world.isClient));
+            cir.setReturnValue(ActionResult.success(user.getWorld().isClient()));
         } else if (entity instanceof SlimeEntity slimeEntity && slimeEntity.isAlive() && !Rainglow.getColour(RainglowEntity.SLIME, slimeEntity.getDataTracker(), slimeEntity.getRandom()).equals(colour)) {
-            slimeEntity.world.playSoundFromEntity(user, slimeEntity, SoundEvents.BLOCK_AMETHYST_BLOCK_CHIME, SoundCategory.PLAYERS, 1.0f, 1.0f);
-            if (!user.world.isClient) {
+            slimeEntity.getWorld().playSoundFromEntity(user, slimeEntity, SoundEvents.BLOCK_AMETHYST_BLOCK_CHIME, SoundCategory.PLAYERS, 1.0f, 1.0f);
+            if (!user.getWorld().isClient()) {
                 stack.decrement(1);
             }
 
             DataTracker tracker = slimeEntity.getDataTracker();
             tracker.set(Rainglow.getTrackedColourData(RainglowEntity.SLIME), colour);
 
-            cir.setReturnValue(ActionResult.success(user.world.isClient));
+            cir.setReturnValue(ActionResult.success(user.getWorld().isClient()));
         }
 
         cir.setReturnValue(ActionResult.PASS);
diff --git a/src/main/java/io/ix0rai/rainglow/mixin/SlimeEntityMixin.java b/src/main/java/io/ix0rai/rainglow/mixin/SlimeEntityMixin.java
index 103c6b4..695e561 100644
--- a/src/main/java/io/ix0rai/rainglow/mixin/SlimeEntityMixin.java
+++ b/src/main/java/io/ix0rai/rainglow/mixin/SlimeEntityMixin.java
@@ -61,7 +61,7 @@ public void readCustomDataFromNbt(NbtCompound nbt, CallbackInfo ci) {
     public boolean spawnWithParentColour(World instance, Entity entity) {
         RainglowColour colour = RainglowColour.get(Rainglow.getColour(RainglowEntity.SLIME, this.getDataTracker(), this.random));
         entity.getDataTracker().set(Rainglow.getTrackedColourData(RainglowEntity.SLIME), colour.getId());
-        return this.world.spawnEntity(entity);
+        return this.getWorld().spawnEntity(entity);
     }
 
     /**
@@ -84,7 +84,7 @@ public void tick(CallbackInfo ci) {
             float g = this.random.nextFloat() * 0.5F + 0.5F;
             float h = MathHelper.sin(f) * (float)size * 0.5F * g;
             float k = MathHelper.cos(f) * (float)size * 0.5F * g;
-            this.world.addParticle(this.getParticles(), this.getX() + (double)h, this.getY(), this.getZ() + (double)k, index, 100.0, 0.0);
+            this.getWorld().addParticle(this.getParticles(), this.getX() + (double)h, this.getY(), this.getZ() + (double)k, index, 100.0, 0.0);
         }
     }
 
diff --git a/src/main/resources/rainglow.accesswidener b/src/main/resources/rainglow.accesswidener
index e3aa024..686ef2c 100644
--- a/src/main/resources/rainglow.accesswidener
+++ b/src/main/resources/rainglow.accesswidener
@@ -12,6 +12,3 @@ accessible  method   net/minecraft/client/particle/SquidInkParticle <init>  (Lne
 accessible field net/minecraft/client/particle/Particle velocityX D
 accessible field net/minecraft/client/particle/Particle velocityY D
 accessible field net/minecraft/client/particle/Particle velocityZ D
-
-accessible field net/minecraft/entity/passive/AllayEntity field_39471 J
-