diff --git a/src/CSharpDB.Migration.LiteDb/LiteDbRetainedSnapshot.cs b/src/CSharpDB.Migration.LiteDb/LiteDbRetainedSnapshot.cs
index e9ba1c10..190bafc5 100644
--- a/src/CSharpDB.Migration.LiteDb/LiteDbRetainedSnapshot.cs
+++ b/src/CSharpDB.Migration.LiteDb/LiteDbRetainedSnapshot.cs
@@ -114,7 +114,7 @@ public static async ValueTask<LiteDbRetainedSnapshot> CreateAsync(
                 sourcePath,
                 FileMode.Open,
                 FileAccess.Read,
-                FileShare.Read,
+                FileShare.None,
                 CopyBufferBytes,
                 FileOptions.Asynchronous |
                 FileOptions.SequentialScan))