diff --git a/gradle.properties b/gradle.properties
index 255f615..d6bbf55 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -2,20 +2,20 @@
 org.gradle.jvmargs=-Xmx1G
 # Fabric Properties
 # check these on https://modmuss50.me/fabric.html
-minecraft_version=1.21.1
-yarn_mappings=1.21.1+build.3
-loader_version=0.16.2
+minecraft_version=1.21.3
+yarn_mappings=1.21.3+build.2
+loader_version=0.16.9
 # Mod Properties
-mod_version=1.5.0
+mod_version=1.5.1
 maven_group=systems.brn
 archives_base_name=servershop
 # Dependencies
 # check this on https://modmuss50.me/fabric.html
-fabric_version=0.102.1+1.21.1
+fabric_version=0.107.0+1.21.3
 
 
 # Dependencies
-polymer_version=0.9.9+1.21
-server_translations_api_version=2.3.1+1.21-pre2
-servergui_version=1.6.0+1.21
-placeholder_api=2.4.1+1.21
\ No newline at end of file
+polymer_version=0.10.1+1.21.3
+server_translations_api_version=2.4.0+1.21.2-rc1
+servergui_version=1.7.2+1.21.2
+placeholder_api=2.5.0+1.21.2
\ No newline at end of file
diff --git a/src/main/java/systems/brn/servershop/lib/records/AuctionRecord.java b/src/main/java/systems/brn/servershop/lib/records/AuctionRecord.java
index 3ee7dc1..6c08b89 100644
--- a/src/main/java/systems/brn/servershop/lib/records/AuctionRecord.java
+++ b/src/main/java/systems/brn/servershop/lib/records/AuctionRecord.java
@@ -21,7 +21,7 @@ public record AuctionRecord(int buyPrice, ItemStack stack, UUID sellerUUID) {
         nbt.putUuid("SellerUUID", sellerUUID);
 
         // Serialize the ItemStack to NBT and add it to the compound
-        NbtElement stackNbt = stack.encode(wrapperLookup);
+        NbtElement stackNbt = stack.toNbt(wrapperLookup);
         nbt.put("ItemStack", stackNbt); // Adds the ItemStack's NBT data to the main NBT compound
 
         return nbt;
diff --git a/src/main/java/systems/brn/servershop/lib/records/ItemPriceRecord.java b/src/main/java/systems/brn/servershop/lib/records/ItemPriceRecord.java
index 43a0598..912c1b4 100644
--- a/src/main/java/systems/brn/servershop/lib/records/ItemPriceRecord.java
+++ b/src/main/java/systems/brn/servershop/lib/records/ItemPriceRecord.java
@@ -17,7 +17,7 @@ public record ItemPriceRecord(int buyPrice, int sellPrice, ItemStack stack) {
 
         // Serialize the ItemStack to NBT and add it to the compound
         if (stack != null && !stack.isEmpty()) {
-            NbtElement stackNbt = stack.encode(wrapperLookup);
+            NbtElement stackNbt = stack.toNbt(wrapperLookup);
             nbt.put("ItemStack", stackNbt); // Adds the ItemStack's NBT data to the main NBT compound
             return nbt;
         }