diff --git a/build.gradle b/build.gradle
index 7427f6f..2ca38c5 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id 'fabric-loom' version '1.4-SNAPSHOT'
+    id 'fabric-loom' version '1.8-SNAPSHOT'
     id 'maven-publish'
 }
 
@@ -42,7 +42,7 @@ processResources {
 }
 
 tasks.withType(JavaCompile).configureEach {
-    it.options.release = 17
+    it.options.release = 21
 }
 
 java {
@@ -51,8 +51,8 @@ java {
     // If you remove this line, sources will not be generated.
     withSourcesJar()
 
-    sourceCompatibility = JavaVersion.VERSION_17
-    targetCompatibility = JavaVersion.VERSION_17
+    sourceCompatibility = JavaVersion.VERSION_21
+    targetCompatibility = JavaVersion.VERSION_21
 }
 
 jar {
diff --git a/gradle.properties b/gradle.properties
index d5cede5..e0d4ab0 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -8,14 +8,14 @@ org.gradle.jvmargs=-Xmx1G
 # To remap the mixin locations:
 # gradlew migrateMappings --mappings "1.16.1+build.9"
 
-minecraft_version=1.20.2
-yarn_mappings=1.20.2+build.4
-loader_version=0.14.24
+minecraft_version=1.20.6
+yarn_mappings=1.20.6+build.3
+loader_version=0.16.9
 
 #Fabric api
-fabric_version=0.90.4+1.20.2
+fabric_version=0.100.8+1.20.6
 
 # Mod Properties
-mod_version = 1.20.2-fabric-1
+mod_version = 1.20.5-fabric-1
 maven_group = net.torocraft
 archives_base_name = torohealth
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 15bc934..9851827 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https://services.gradle.org/distributions/gradle-8.4-bin.zip
+distributionUrl=https://services.gradle.org/distributions/gradle-8.10-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/src/main/java/net/torocraft/torohealth/ToroHealth.java b/src/main/java/net/torocraft/torohealth/ToroHealth.java
index 322f6ff..8fea6dd 100644
--- a/src/main/java/net/torocraft/torohealth/ToroHealth.java
+++ b/src/main/java/net/torocraft/torohealth/ToroHealth.java
@@ -2,9 +2,13 @@
 
 import java.util.Random;
 import net.fabricmc.api.ModInitializer;
+import net.fabricmc.fabric.api.client.rendering.v1.WorldRenderEvents;
+import net.torocraft.torohealth.bars.HealthBarRenderer;
+import net.torocraft.torohealth.bars.ParticleRenderer;
 import net.torocraft.torohealth.config.Config;
 import net.torocraft.torohealth.config.loader.ConfigLoader;
 import net.torocraft.torohealth.display.Hud;
+import net.torocraft.torohealth.mixin.WorldRendererAccessor;
 import net.torocraft.torohealth.util.RayTrace;
 
 public class ToroHealth implements ModInitializer {
@@ -24,5 +28,12 @@ public class ToroHealth implements ModInitializer {
   @Override
   public void onInitialize() {
     CONFIG_LOADER.load();
+    WorldRenderEvents.LAST.register((context) -> {
+      var entityVertexConsumers = ((WorldRendererAccessor) context.worldRenderer())
+              .getBufferBuilders()
+              .getEntityVertexConsumers();
+      HealthBarRenderer.renderInWorld(context.matrixStack(), entityVertexConsumers, context.camera());
+      ParticleRenderer.renderParticles(context.matrixStack(), entityVertexConsumers, context.camera());
+    });
   }
 }
diff --git a/src/main/java/net/torocraft/torohealth/display/EntityDisplay.java b/src/main/java/net/torocraft/torohealth/display/EntityDisplay.java
index 97b1fca..67912e2 100644
--- a/src/main/java/net/torocraft/torohealth/display/EntityDisplay.java
+++ b/src/main/java/net/torocraft/torohealth/display/EntityDisplay.java
@@ -12,6 +12,7 @@
 import net.minecraft.entity.passive.VillagerEntity;
 import net.minecraft.util.math.MathHelper;
 import net.minecraft.util.math.RotationAxis;
+import org.joml.Matrix4fStack;
 import org.joml.Quaternionf;
 
 public class EntityDisplay {
@@ -74,9 +75,9 @@ public static void drawEntity(MatrixStack matrixStack2, int x, int y, int size,
       float mouseY, LivingEntity entity, float scale) {
     float f = (float) Math.atan((double) (mouseX / 40.0F));
     float g = (float) Math.atan((double) (mouseY / 40.0F));
-    MatrixStack matrixStack = RenderSystem.getModelViewStack();
-    matrixStack.push();
-    matrixStack.translate((double) x * scale, (double) y * scale, 1050.0D * scale);
+    Matrix4fStack matrixStack = RenderSystem.getModelViewStack();
+    matrixStack.pushMatrix();
+    matrixStack.translate(x * scale, y * scale, 1050.0F * scale);
     matrixStack.scale(1.0F, 1.0F, -1.0F);
     RenderSystem.applyModelViewMatrix();
     matrixStack2.push();
@@ -114,7 +115,7 @@ public static void drawEntity(MatrixStack matrixStack2, int x, int y, int size,
     entity.setPitch(j);
     entity.prevHeadYaw = k;
     entity.headYaw = l;
-    matrixStack.pop();
+    matrixStack.popMatrix();
     matrixStack2.pop();
     RenderSystem.applyModelViewMatrix();
     DiffuseLighting.enableGuiDepthLighting();
diff --git a/src/main/java/net/torocraft/torohealth/mixin/WorldRendererAccessor.java b/src/main/java/net/torocraft/torohealth/mixin/WorldRendererAccessor.java
new file mode 100644
index 0000000..371fb56
--- /dev/null
+++ b/src/main/java/net/torocraft/torohealth/mixin/WorldRendererAccessor.java
@@ -0,0 +1,11 @@
+package net.torocraft.torohealth.mixin;
+
+import net.minecraft.client.render.BufferBuilderStorage;
+import net.minecraft.client.render.WorldRenderer;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.gen.Accessor;
+
+@Mixin(WorldRenderer.class)
+public interface WorldRendererAccessor {
+    @Accessor BufferBuilderStorage getBufferBuilders();
+}
diff --git a/src/main/java/net/torocraft/torohealth/mixin/WorldRendererMixin.java b/src/main/java/net/torocraft/torohealth/mixin/WorldRendererMixin.java
index 1fb78cc..8963908 100644
--- a/src/main/java/net/torocraft/torohealth/mixin/WorldRendererMixin.java
+++ b/src/main/java/net/torocraft/torohealth/mixin/WorldRendererMixin.java
@@ -1,20 +1,12 @@
 package net.torocraft.torohealth.mixin;
 
-import net.minecraft.client.render.BufferBuilderStorage;
-import net.minecraft.client.render.Camera;
-import net.minecraft.client.render.GameRenderer;
-import net.minecraft.client.render.LightmapTextureManager;
 import net.minecraft.client.render.VertexConsumerProvider;
 import net.minecraft.client.render.WorldRenderer;
 import net.minecraft.client.util.math.MatrixStack;
 import net.minecraft.entity.Entity;
 import net.minecraft.entity.LivingEntity;
 import net.torocraft.torohealth.bars.HealthBarRenderer;
-import net.torocraft.torohealth.bars.ParticleRenderer;
-import org.joml.Matrix4f;
-import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
@@ -22,7 +14,7 @@
 @Mixin(WorldRenderer.class)
 public class WorldRendererMixin {
 
-  @Shadow @Final private BufferBuilderStorage bufferBuilders;
+  // @Shadow @Final private BufferBuilderStorage bufferBuilders;
 
   @Inject(method = "renderEntity", at = @At(value = "RETURN"))
   private void renderEntity(Entity entity, double x, double y, double z, float g,
@@ -32,12 +24,13 @@ private void renderEntity(Entity entity, double x, double y, double z, float g,
     }
   }
 
+  /* Replaced by WorldRenderEvents.LAST event listener registered in ToroHealth.java
   @Inject(method = "render", at = @At(value = "RETURN"))
   private void render(MatrixStack matrices, float tickDelta, long limitTime,
       boolean renderBlockOutline, Camera camera, GameRenderer gameRenderer,
       LightmapTextureManager lightmapTextureManager, Matrix4f matrix, CallbackInfo info) {
     HealthBarRenderer.renderInWorld(matrices, this.bufferBuilders.getEntityVertexConsumers(), camera);
     ParticleRenderer.renderParticles(matrices, this.bufferBuilders.getEntityVertexConsumers(), camera);
-  }
+  } */
 
 }
diff --git a/src/main/java/net/torocraft/torohealth/util/EntityUtil.java b/src/main/java/net/torocraft/torohealth/util/EntityUtil.java
index ad11d0d..1f8629c 100644
--- a/src/main/java/net/torocraft/torohealth/util/EntityUtil.java
+++ b/src/main/java/net/torocraft/torohealth/util/EntityUtil.java
@@ -44,13 +44,13 @@ public static Relation determineRelation(Entity entity) {
   }
 
   public static boolean showHealthBar(Entity entity, MinecraftClient client) {
-    return entity instanceof LivingEntity
+    return entity instanceof LivingEntity living
             && !(entity instanceof ArmorStandEntity)
             && (!entity.isInvisibleTo(client.player)
                 || entity.isGlowing()
                 || entity.isOnFire()
                 || entity instanceof CreeperEntity && ((CreeperEntity) entity).shouldRenderOverlay() // charged creeper
-                || StreamSupport.stream(entity.getItemsEquipped().spliterator(), false).anyMatch(is -> !is.isEmpty()))
+                || StreamSupport.stream(living.getEquippedItems().spliterator(), false).anyMatch(is -> !is.isEmpty()))
             && entity != client.player
             && !entity.isSpectator();
   }
diff --git a/src/main/resources/fabric.mod.json b/src/main/resources/fabric.mod.json
index 5e659e4..8ad2af1 100644
--- a/src/main/resources/fabric.mod.json
+++ b/src/main/resources/fabric.mod.json
@@ -30,6 +30,6 @@
     "fabricloader": ">=0.14.21",
     "fabric": "*",
     "minecraft": "1.20.x",
-    "java": ">=17"
+    "java": ">=21"
   }
 }
diff --git a/src/main/resources/torohealth.mixins.json b/src/main/resources/torohealth.mixins.json
index 4b498d8..cfc24e3 100644
--- a/src/main/resources/torohealth.mixins.json
+++ b/src/main/resources/torohealth.mixins.json
@@ -7,9 +7,10 @@
   "client": [
     "InGameHudMixin",
     "PlayerEntityMixin",
-    "WorldRendererMixin"
+    "WorldRendererMixin",
+    "WorldRendererAccessor"
   ],
   "injectors": {
     "defaultRequire": 1
   }
-}
\ No newline at end of file
+}