diff --git a/FileManager/TagsPersistence.cs b/FileManager/TagsPersistence.cs
index 57d6f9fc..e2a8cbd5 100644
--- a/FileManager/TagsPersistence.cs
+++ b/FileManager/TagsPersistence.cs
@@ -16,7 +16,7 @@ namespace FileManager
     /// </summary>
     public static class TagsPersistence
     {
-		private static string TagsFile => Path.Combine(Configuration.Instance.LibationFiles, "BookTags.json");
+		private static string TagsFile => Path.Combine(Configuration.Instance.LibationFiles, "UserDefinedItems.json");
 
         private static object locker { get; } = new object();
 
diff --git a/LibationLauncher/LibationLauncher.csproj b/LibationLauncher/LibationLauncher.csproj
index 05d60014..1c02273a 100644
--- a/LibationLauncher/LibationLauncher.csproj
+++ b/LibationLauncher/LibationLauncher.csproj
@@ -13,7 +13,7 @@
     <!-- <PublishSingleFile>true</PublishSingleFile> -->
     <RuntimeIdentifier>win-x64</RuntimeIdentifier>
 
-    <Version>5.3.9.6</Version>
+    <Version>5.3.10.1</Version>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/LibationLauncher/Program.cs b/LibationLauncher/Program.cs
index f4222d0a..542c8fc1 100644
--- a/LibationLauncher/Program.cs
+++ b/LibationLauncher/Program.cs
@@ -51,6 +51,7 @@ namespace LibationLauncher
 
 			migrate_to_v5_0_0(config);
 			migrate_to_v5_2_0__post_config(config);
+			migrate_to_v5_3_10(config);
 
 			ensureSerilogConfig(config);
 			configureLogging(config);
@@ -141,7 +142,7 @@ namespace LibationLauncher
 			CancelInstallation();
 		}
 
-		#region migrate_to_v5_0_0 re-register device if device info not in settings
+		#region migrate to v5.0.0: re-register device if device info not in settings
 		private static void migrate_to_v5_0_0(Configuration config)
 		{
 			if (!config.Exists(nameof(config.AllowLibationFixup)))
@@ -229,6 +230,19 @@ namespace LibationLauncher
 		}
 		#endregion
 
+		#region migrate to v5.3.10: rename BookTags.json to UserDefinedItems.json
+		private static void migrate_to_v5_3_10(Configuration config)
+		{
+			var oldPath = Path.Combine(config.LibationFiles, "BookTags.json");
+
+			if (File.Exists(oldPath))
+			{
+				var newPath = Path.Combine(config.LibationFiles, "UserDefinedItems.json");
+				File.Move(oldPath, newPath);
+			}
+		}
+		#endregion
+
 		private static void ensureSerilogConfig(Configuration config)
 		{
 			if (config.GetObject("Serilog") != null)
diff --git a/REFERENCE.txt b/REFERENCE.txt
index ffa989f3..515478d5 100644
--- a/REFERENCE.txt
+++ b/REFERENCE.txt
@@ -66,7 +66,7 @@ alternate book id (eg BK_RAND_006061) is called 'sku' , 'sku_lite' , 'prod_id' ,
 do NOT combine jsons for
 - audible-scraped persistence: library, book details
 - libation-generated persistence: FilePaths.json
-- user-defined persistence: BookTags.json
+- user-defined persistence: UserDefinedItems.json
 -- end SOLUTION LAYOUT ---------------------------------------------------------------------------------------------------------------------
 
 -- begin EF CORE ---------------------------------------------------------------------------------------------------------------------