diff --git a/common/build.gradle b/common/build.gradle
index ab45e7e58..aee5ca3e4 100644
--- a/common/build.gradle
+++ b/common/build.gradle
@@ -19,6 +19,8 @@ dependencies {
 
     modCompileOnly("curse.maven:additional-placements-930469:${additionalplacements_curse_id}")
     modCompileOnly("curse.maven:embeddium-908741:${embeddium_curse_id}")
+    modCompileOnly("curse.maven:selene-499980:${moonlight_curse_fabric_id}")
+    modCompileOnly("curse.maven:vertical-slabs-compat-724387:${vertical_slabs_curse_fabric_id}")
 
     annotationProcessor(implementation("io.github.llamalad7:mixinextras-common:${mixin_extras_version}"))
 }
diff --git a/common/src/main/java/com/copycatsplus/copycats/compat/Mods.java b/common/src/main/java/com/copycatsplus/copycats/compat/Mods.java
index 8e3b19117..211f54939 100644
--- a/common/src/main/java/com/copycatsplus/copycats/compat/Mods.java
+++ b/common/src/main/java/com/copycatsplus/copycats/compat/Mods.java
@@ -33,7 +33,8 @@ public enum Mods {
     ATHENA("athena"),
     INDIUM("indium"),
     STARLIGHT("starlight"),
-    DOUBLE_SLABS("doubleslabs");
+    DOUBLE_SLABS("doubleslabs"),
+    VERTICAL_SLAB_COMPAT("v_slab_compat");
 
     public final String id;
     public final boolean isLoaded;
diff --git a/common/src/main/java/com/copycatsplus/copycats/mixin/compat/verticalslabcompat/CutBlockTypeRegistryMixin.java b/common/src/main/java/com/copycatsplus/copycats/mixin/compat/verticalslabcompat/CutBlockTypeRegistryMixin.java
new file mode 100644
index 000000000..59c0cf01a
--- /dev/null
+++ b/common/src/main/java/com/copycatsplus/copycats/mixin/compat/verticalslabcompat/CutBlockTypeRegistryMixin.java
@@ -0,0 +1,26 @@
+package com.copycatsplus.copycats.mixin.compat.verticalslabcompat;
+
+import com.copycatsplus.copycats.Copycats;
+import com.copycatsplus.copycats.compat.Mods;
+import com.copycatsplus.copycats.foundation.annotation.ModMixin;
+import net.mehvahdjukaar.moonlight.api.set.BlockTypeRegistry;
+import net.mehvahdjukaar.vsc.CutBlockType;
+import net.mehvahdjukaar.vsc.CutBlockTypeRegistry;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.level.block.Block;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+import java.util.Optional;
+
+@ModMixin(requiredMods = Mods.VERTICAL_SLAB_COMPAT)
+@Mixin(value = CutBlockTypeRegistry.class, remap = false)
+public class CutBlockTypeRegistryMixin {
+
+    @Inject(method = "detectTypeFromBlock", at = @At("HEAD"), cancellable = true)
+    private void copycats$disableVerticalCompat(Block block, ResourceLocation baseRes, CallbackInfoReturnable<Optional<CutBlockType>> cir) {
+        if (baseRes.getNamespace().equals(Copycats.MODID)) cir.setReturnValue(Optional.empty());
+    }
+}
diff --git a/common/src/main/resources/copycats-common.mixins.json b/common/src/main/resources/copycats-common.mixins.json
index 5b9005ea2..b68309725 100644
--- a/common/src/main/resources/copycats-common.mixins.json
+++ b/common/src/main/resources/copycats-common.mixins.json
@@ -11,6 +11,7 @@
     "compat.radium.PathNodeDefaultsMixin",
     "compat.rubidium.BlockOcclusionCacheMixin",
     "compat.rubidium.BlockRendererMixin",
+    "compat.verticalslabcompat.CutBlockTypeRegistryMixin",
     "copycat.VoxelShapeAccessor",
     "copycat.cogwheel.CogWheelBlockItemMixin",
     "copycat.door.BlockHelperMixin",
diff --git a/fabric/build.gradle b/fabric/build.gradle
index 47499ab95..f0c234eed 100644
--- a/fabric/build.gradle
+++ b/fabric/build.gradle
@@ -59,6 +59,8 @@ dependencies {
     modLocalRuntime("maven.modrinth:sodium:${sodium_fabric_version}")
 //    modLocalRuntime("maven.modrinth:extended-cogwheels:${extended_cogwheels_fabric_version}")
     modLocalRuntime("curse.maven:spark-361579:${spark_fabric_curse_id}")
+    modCompileOnly("curse.maven:selene-499980:${moonlight_curse_fabric_id}")
+    modCompileOnly("curse.maven:vertical-slabs-compat-724387:${vertical_slabs_curse_fabric_id}")
 
     annotationProcessor(implementation(include("io.github.llamalad7:mixinextras-fabric:${mixin_extras_version}")))
 
diff --git a/forge/build.gradle b/forge/build.gradle
index 727a3c8b4..52480ce5d 100644
--- a/forge/build.gradle
+++ b/forge/build.gradle
@@ -62,6 +62,8 @@ dependencies {
 
     modCompileOnly("curse.maven:double-slabs-350179:${double_slabs_forge_curse_id}")
     modLocalRuntime("curse.maven:spark-361579:${spark_forge_curse_id}")
+    modCompileOnly("curse.maven:selene-499980:${moonlight_curse_forge_id}")
+    modCompileOnly("curse.maven:vertical-slabs-compat-724387:${vertical_slabs_curse_forge_id}")
 
     compileOnly("io.github.llamalad7:mixinextras-common:${mixin_extras_version}")
     annotationProcessor(implementation(include("io.github.llamalad7:mixinextras-forge:${mixin_extras_version}")))
diff --git a/gradle.properties b/gradle.properties
index e2a9a3025..f772111c0 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -45,6 +45,8 @@ athena_forge_curse_id=5176879
 tfmg_forge_curse_id=5505872
 extended_cogwheels_forge_curse_id=5229925
 spark_forge_curse_id=4738952
+moonlight_curse_forge_id=5975794
+vertical_slabs_curse_forge_id=5691543
 
 #Fabric Properties
 create_fabric_version=0.5.1-f-build.1417+mc1.20.1
@@ -58,4 +60,6 @@ athena_fabric_curse_id=5176880
 indium_fabric_curse_id=5493195
 sodium_fabric_version=mc1.20.1-0.5.11
 extended_cogwheels_fabric_version=2.1.1-1.20.1-0.5.1.f-fabric
-spark_fabric_curse_id=4738953
\ No newline at end of file
+spark_fabric_curse_id=4738953
+moonlight_curse_fabric_id=5975796
+vertical_slabs_curse_fabric_id=5691542
\ No newline at end of file