diff --git a/MechanicsCore/src/main/java/me/deecaad/core/file/SerializeData.java b/MechanicsCore/src/main/java/me/deecaad/core/file/SerializeData.java
index bb4032b2..c06527ea 100644
--- a/MechanicsCore/src/main/java/me/deecaad/core/file/SerializeData.java
+++ b/MechanicsCore/src/main/java/me/deecaad/core/file/SerializeData.java
@@ -1005,19 +1005,19 @@ public boolean getBool(boolean def) throws SerializerException {
             // Wildcards are not allowed for singleton enums, they are only
             // allowed for lists.
             input = input.trim();
-            XEntityType entityType = XEntityType.of(input);
-            if (entityType == null) {
+            Optional<XEntityType> entityType = XEntityType.of(input);
+            if (entityType.isEmpty()) {
                 throw new SerializerEnumException(serializer, EntityType.class, input, false, getLocation())
                     .addMessage(wikiLink != null, getWikiMessage());
             }
 
-            EntityType parsed = entityType.get();
+            EntityType parsed = entityType.get().get();
             if (parsed == null) {
-                throw exception(relative, "Your version, " + MinecraftVersions.getCURRENT() + ", doesn't support '" + entityType.name() + "'",
+                throw exception(relative, "Your version, " + MinecraftVersions.getCURRENT() + ", doesn't support '" + entityType.get().name() + "'",
                     "Try using a different material or update your server to a newer version!");
             }
 
-            return entityType.get();
+            return parsed;
         }
 
         public @Nullable Particle getParticle(@Nullable Particle defaultValue) throws SerializerException {
@@ -1030,15 +1030,15 @@ public boolean getBool(boolean def) throws SerializerException {
             // Wildcards are not allowed for singleton enums, they are only
             // allowed for lists.
             input = input.trim();
-            XParticle particle = XParticle.of(input);
-            if (particle == null) {
+            Optional<XParticle> particle = XParticle.of(input);
+            if (particle.isEmpty()) {
                 throw new SerializerEnumException(serializer, Particle.class, input, false, getLocation())
                     .addMessage(wikiLink != null, getWikiMessage());
             }
 
-            Particle parsed = particle.get();
+            Particle parsed = particle.get().get();
             if (parsed == null) {
-                throw exception(relative, "Your version, " + MinecraftVersions.getCURRENT() + ", doesn't support '" + particle.name() + "'",
+                throw exception(relative, "Your version, " + MinecraftVersions.getCURRENT() + ", doesn't support '" + particle.get().name() + "'",
                     "Try using a different material or update your server to a newer version!");
             }
 
diff --git a/MechanicsCore/src/main/java/me/deecaad/core/file/serializers/ItemSerializer.java b/MechanicsCore/src/main/java/me/deecaad/core/file/serializers/ItemSerializer.java
index e8755380..3f07de3a 100644
--- a/MechanicsCore/src/main/java/me/deecaad/core/file/serializers/ItemSerializer.java
+++ b/MechanicsCore/src/main/java/me/deecaad/core/file/serializers/ItemSerializer.java
@@ -1,7 +1,9 @@
 package me.deecaad.core.file.serializers;
 
 import com.cryptomorin.xseries.XMaterial;
-import com.cryptomorin.xseries.XSkull;
+import com.cryptomorin.xseries.profiles.builder.XSkull;
+import com.cryptomorin.xseries.profiles.objects.ProfileInputType;
+import com.cryptomorin.xseries.profiles.objects.Profileable;
 import me.deecaad.core.MechanicsCore;
 import me.deecaad.core.compatibility.CompatibilityAPI;
 import me.deecaad.core.compatibility.nbt.NBTCompatibility;
@@ -321,7 +323,7 @@ public ItemStack serializeWithoutRecipe(@NotNull SerializeData data) throws Seri
                 // https://www.spigotmc.org/threads/create-a-skull-item-stack-with-a-custom-texture-base64.82416/
                 if (uuid != null && url != null) {
                     // XSkull.of(itemMeta).profile(XSkull.SkullInputType.UUID, id).apply();
-                    XSkull.of(skullMeta).profile(XSkull.SkullInputType.TEXTURE_URL, url).apply();
+                    XSkull.of(skullMeta).profile(Profileable.of(ProfileInputType.TEXTURE_URL, url)).apply();
                 }
 
                 // Standard player name SkullMeta... "CJCrafter", "DeeCaaD", "Darkman_Bree"
diff --git a/gradle.properties b/gradle.properties
index 3261791b..40d5508d 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,6 +1,6 @@
 # Versions of the 2 plugins stored in this repo.
-mechanicsCoreVersion=3.5.0
-weaponMechanicsVersion=3.5.1
+mechanicsCoreVersion=3.5.1
+weaponMechanicsVersion=3.5.2
 
 # Version of the resource pack
 resourcePackVersion=2.1.2