diff --git a/LinkDotNet.Infrastructure/Persistence/Sql/BlogPostContext.cs b/LinkDotNet.Infrastructure/Persistence/Sql/BlogPostContext.cs
index af75db5b..cecb39d1 100644
--- a/LinkDotNet.Infrastructure/Persistence/Sql/BlogPostContext.cs
+++ b/LinkDotNet.Infrastructure/Persistence/Sql/BlogPostContext.cs
@@ -21,6 +21,11 @@ protected override void OnModelCreating(ModelBuilder modelBuilder)
                 .Property(c => c.Id)
                 .ValueGeneratedOnAdd();
 
+            modelBuilder.Entity<BlogPost>()
+                .HasMany(t => t.Tags)
+                .WithOne()
+                .OnDelete(DeleteBehavior.Cascade);
+
             modelBuilder.Entity<Tag>()
                 .Property(c => c.Id)
                 .ValueGeneratedOnAdd();