diff --git a/ElectronicObserver/Utility/SoftwareInformation.cs b/ElectronicObserver/Utility/SoftwareInformation.cs
index fad5104c0..822facf24 100644
--- a/ElectronicObserver/Utility/SoftwareInformation.cs
+++ b/ElectronicObserver/Utility/SoftwareInformation.cs
@@ -42,7 +42,7 @@ public static class SoftwareInformation
 		/// <summary>
 		/// 更新日時
 		/// </summary>
-		public static DateTime UpdateTime => DateTimeHelper.CSVStringToTime("2020/10/29 11:30:00");
+		public static DateTime UpdateTime => DateTimeHelper.CSVStringToTime("2020/12/05 15:30:00");
 
 
 		private static System.Net.WebClient? Client { get; set; }