diff --git a/BedrockLauncher.Core/VersionJsons/SoureJson.cs b/BedrockLauncher.Core/VersionJsons/SoureJson.cs
index a9f2e1e..2550eb1 100644
--- a/BedrockLauncher.Core/VersionJsons/SoureJson.cs
+++ b/BedrockLauncher.Core/VersionJsons/SoureJson.cs
@@ -44,6 +44,8 @@ private async IAsyncEnumerable<KeyValuePair<string, BuildInfo>> GetBuildsFromExt
 
 public class BuildInfo
 {
+	public string Key { get; set; } = string.Empty;
+	
 	[JsonPropertyName("Type")]
 	[JsonConverter(typeof(MinecraftGameTypeVersionConverter))]
 	public MinecraftGameTypeVersion Type { get; set; }
@@ -74,4 +76,4 @@ public class Variation
 	[JsonPropertyName("MD5")] public string MD5 { get; set; } = string.Empty;
 }
 
-#endregion
\ No newline at end of file
+#endregion