diff --git a/SabreTools.Library/Data/Constants.cs b/SabreTools.Library/Data/Constants.cs
index 63e2943c..fd1dd79c 100644
--- a/SabreTools.Library/Data/Constants.cs
+++ b/SabreTools.Library/Data/Constants.cs
@@ -12,8 +12,8 @@ namespace SabreTools.Library.Data
         /// <summary>
         /// The current toolset version to be used by all child applications
         /// </summary>
-        //public readonly static string Version = $"v1.0.3";
-        public readonly static string Version = $"v1.0.3-{File.GetCreationTime(Assembly.GetExecutingAssembly().Location):yyyy-MM-dd HH:mm:ss}";
+        public readonly static string Version = $"v1.0.4";
+        //public readonly static string Version = $"v1.0.4-{File.GetCreationTime(Assembly.GetExecutingAssembly().Location):yyyy-MM-dd HH:mm:ss}";
         public const int HeaderHeight = 3;
 
         #region 0-byte file constants
diff --git a/appveyor.yml b/appveyor.yml
index f57407ab..b7ab689c 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,5 +1,5 @@
 # version format
-version: 1.0.3-test_{build}
+version: 1.0.4-test_{build}
 
 # vm template
 image: Visual Studio 2019