diff --git a/gradle.properties b/gradle.properties
index 3bcf7ed1..a9965540 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,9 +4,9 @@ org.gradle.jvmargs=-Xmx2G
 loom_version=0.12-SNAPSHOT
 # Fabric Properties
 # check these on https://fabricmc.net/versions.html
-minecraft_version=1.19-pre3
+minecraft_version=1.19-rc2
 loader_version=0.14.6
-fabric_version=0.53.4+1.19
+fabric_version=0.55.0+1.19
 # Mod Properties
 mod_version=2.0.0
 maven_group=org.betterx.bclib
diff --git a/src/main/java/org/betterx/bclib/api/biomes/BiomeAPI.java b/src/main/java/org/betterx/bclib/api/biomes/BiomeAPI.java
index a9c20482..8de08777 100644
--- a/src/main/java/org/betterx/bclib/api/biomes/BiomeAPI.java
+++ b/src/main/java/org/betterx/bclib/api/biomes/BiomeAPI.java
@@ -22,7 +22,7 @@ import net.minecraft.world.level.biome.MobSpawnSettings.SpawnerData;
 import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.level.chunk.ChunkAccess;
 import net.minecraft.world.level.chunk.ChunkGenerator;
-import net.minecraft.world.level.chunk.PalettedContainer;
+import net.minecraft.world.level.chunk.PalettedContainerRO;
 import net.minecraft.world.level.dimension.LevelStem;
 import net.minecraft.world.level.levelgen.GenerationStep.Decoration;
 import net.minecraft.world.level.levelgen.NoiseGeneratorSettings;
@@ -915,8 +915,10 @@ public class BiomeAPI {
      */
     public static void setBiome(ChunkAccess chunk, BlockPos pos, Holder<Biome> biome) {
         int sectionY = (pos.getY() - chunk.getMinBuildHeight()) >> 4;
-        PalettedContainer<Holder<Biome>> biomes = chunk.getSection(sectionY).getBiomes();
-        biomes.set((pos.getX() & 15) >> 2, (pos.getY() & 15) >> 2, (pos.getZ() & 15) >> 2, biome);
+        PalettedContainerRO<Holder<Biome>> biomes = chunk.getSection(sectionY).getBiomes();
+        //TODO: 1.19 This will disable cave generation the end, Structure was made RO, so we have to find another way to handle this
+        //biomes.set((pos.getX() & 15) >> 2, (pos.getY() & 15) >> 2, (pos.getZ() & 15) >> 2, biome);
+        BCLib.LOGGER.warning("Unable to change Biome at " + pos);
     }
 
     /**
diff --git a/src/main/resources/fabric.mod.json b/src/main/resources/fabric.mod.json
index b2662f50..b3279b73 100644
--- a/src/main/resources/fabric.mod.json
+++ b/src/main/resources/fabric.mod.json
@@ -38,8 +38,8 @@
   ],
   "depends": {
     "fabricloader": ">=0.14.6",
-    "fabric": ">=0.53.4",
-    "minecraft": "1.19-beta.3"
+    "fabric": ">=0.55.0",
+    "minecraft": "1.19-rc2"
   },
   "custom": {
     "modmenu": {