diff --git a/build.gradle b/build.gradle
index d2e012a63..7b8259e12 100644
--- a/build.gradle
+++ b/build.gradle
@@ -188,6 +188,7 @@ dependencies {
     runtimeOnly fg.deobf("top.theillusivec4.curios:curios-forge:${curios_version}+${curios_minecraft_version}")
 
 	if (cc_tweaked_enable.toBoolean()) {
+	    compileOnly("cc.tweaked:cc-tweaked-${cc_tweaked_minecraft_version}-core-api:${cc_tweaked_version}")
         compileOnly fg.deobf("cc.tweaked:cc-tweaked-${cc_tweaked_minecraft_version}-forge-api:${cc_tweaked_version}")
         runtimeOnly fg.deobf("cc.tweaked:cc-tweaked-${cc_tweaked_minecraft_version}-forge:${cc_tweaked_version}")
 	}
diff --git a/gradle.properties b/gradle.properties
index 686e4a0fc..1612476ec 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,11 +4,11 @@ org.gradle.jvmargs = -Xmx3G
 org.gradle.daemon = false
 
 # mod version info
-mod_version = 0.5.1.c
+mod_version = 0.5.1.d
 artifact_minecraft_version = 1.20.1
 
 minecraft_version = 1.20.1
-forge_version = 47.0.19
+forge_version = 47.0.43
 
 # build dependency versions
 forgegradle_version = 6.0.6
diff --git a/src/main/java/com/simibubi/create/Create.java b/src/main/java/com/simibubi/create/Create.java
index aa4693124..292455251 100644
--- a/src/main/java/com/simibubi/create/Create.java
+++ b/src/main/java/com/simibubi/create/Create.java
@@ -68,7 +68,7 @@ public class Create {
 
 	public static final String ID = "create";
 	public static final String NAME = "Create";
-	public static final String VERSION = "0.5.1c";
+	public static final String VERSION = "0.5.1d";
 
 	public static final Logger LOGGER = LogUtils.getLogger();
 
diff --git a/src/main/java/com/simibubi/create/content/kinetics/belt/transport/BeltMovementHandler.java b/src/main/java/com/simibubi/create/content/kinetics/belt/transport/BeltMovementHandler.java
index 059975478..e25e1be2d 100644
--- a/src/main/java/com/simibubi/create/content/kinetics/belt/transport/BeltMovementHandler.java
+++ b/src/main/java/com/simibubi/create/content/kinetics/belt/transport/BeltMovementHandler.java
@@ -142,9 +142,9 @@ public class BeltMovementHandler {
 			|| ((LivingEntity) entityIn).zza == 0 && ((LivingEntity) entityIn).xxa == 0)
 			movement = movement.add(centering);
 
-		float step = entityIn.maxUpStep;
+		float step = entityIn.maxUpStep();
 		if (!isPlayer) 
-			entityIn.maxUpStep = 1;
+			entityIn.setMaxUpStep(1);
 
 		// Entity Collisions
 		if (Math.abs(movementSpeed) < .5f) {
@@ -180,7 +180,7 @@ public class BeltMovementHandler {
 		entityIn.setOnGround(true);
 
 		if (!isPlayer)
-			entityIn.maxUpStep = step;
+			entityIn.setMaxUpStep(step);
 
 		boolean movedPastEndingSlope = onSlope && (AllBlocks.BELT.has(world.getBlockState(entityIn.blockPosition()))
 			|| AllBlocks.BELT.has(world.getBlockState(entityIn.blockPosition()