diff --git a/build/Version.props b/build/Version.props
index 4d9c107cd1..61ce004864 100644
--- a/build/Version.props
+++ b/build/Version.props
@@ -7,8 +7,8 @@
     <TgsConfigVersion>5.0.0</TgsConfigVersion>
     <TgsApiVersion>10.0.0</TgsApiVersion>
     <TgsCommonLibraryVersion>7.0.0</TgsCommonLibraryVersion>
-    <TgsApiLibraryVersion>13.0.0</TgsApiLibraryVersion>
-    <TgsClientVersion>15.0.0</TgsClientVersion>
+    <TgsApiLibraryVersion>13.0.1</TgsApiLibraryVersion>
+    <TgsClientVersion>15.0.1</TgsClientVersion>
     <TgsDmapiVersion>7.0.0</TgsDmapiVersion>
     <TgsInteropVersion>5.7.0</TgsInteropVersion>
     <TgsHostWatchdogVersion>1.4.1</TgsHostWatchdogVersion>
diff --git a/src/Tgstation.Server.Api/Models/Response/ErrorMessageResponse.cs b/src/Tgstation.Server.Api/Models/Response/ErrorMessageResponse.cs
index 914d9ecc3a..70cb64c530 100644
--- a/src/Tgstation.Server.Api/Models/Response/ErrorMessageResponse.cs
+++ b/src/Tgstation.Server.Api/Models/Response/ErrorMessageResponse.cs
@@ -1,6 +1,8 @@
 using System;
 using System.ComponentModel.DataAnnotations;
 
+using Newtonsoft.Json;
+
 namespace Tgstation.Server.Api.Models.Response
 {
 	/// <summary>
@@ -28,6 +30,7 @@ namespace Tgstation.Server.Api.Models.Response
 		/// The <see cref="ErrorCode"/> of the <see cref="ErrorMessageResponse"/>.
 		/// </summary>
 		[EnumDataType(typeof(ErrorCode))]
+		[JsonProperty(Required = Required.Always)]
 		public ErrorCode ErrorCode { get; set; }
 
 		/// <summary>