diff --git a/gradle.properties b/gradle.properties
index f906c05..f58e053 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,14 +1,13 @@
-mod_version = 1.3.0
+mod_version = 2.0.0
 group = net.shadowfacts
 archivesBaseName = ExtraHoppers
 
-mc_version = 1.11
-mcp_mappings = snapshot_20170113
-forge_version = 13.19.1.2199
+mc_version = 1.11.2
+mcp_mappings = snapshot_20170327
+forge_version = 13.20.0.2260
 
-kotlin_version = 1.0.6
-
-shadowmc_version = 3.7.4
-forgelin_version = 1.2.0
-jei_version = 4.1.1.208
+kotlin_version = 1.1.1
 
+shadowmc_version = 3.7.6-SNAPSHOT
+forgelin_version = 1.4.1
+jei_version = 4.2.10.250
diff --git a/src/main/kotlin/net/shadowfacts/extrahoppers/block/base/BlockHopperBase.kt b/src/main/kotlin/net/shadowfacts/extrahoppers/block/base/BlockHopperBase.kt
index 7833e1c..0d8023e 100644
--- a/src/main/kotlin/net/shadowfacts/extrahoppers/block/base/BlockHopperBase.kt
+++ b/src/main/kotlin/net/shadowfacts/extrahoppers/block/base/BlockHopperBase.kt
@@ -40,7 +40,7 @@ abstract class BlockHopperBase<out TE: BaseTileEntity>(val inverted: Boolean, na
 	}
 
 	@Deprecated("")
-	override fun addCollisionBoxToList(state: IBlockState, world: World, pos: BlockPos, entityBox: AxisAlignedBB, collidingBoxes: List<AxisAlignedBB>, entity: Entity?) {
+	override fun addCollisionBoxToList(state: IBlockState, world: World, pos: BlockPos, entityBox: AxisAlignedBB, collidingBoxes: MutableList<AxisAlignedBB>, entity: Entity?, p_185477_7_: Boolean) {
 		addCollisionBoxToList(pos, entityBox, collidingBoxes, BASE_AABB)
 		addCollisionBoxToList(pos, entityBox, collidingBoxes, EAST_AABB)
 		addCollisionBoxToList(pos, entityBox, collidingBoxes, WEST_AABB)