diff --git a/DD.Persistence.Database.Postgres/Migrations/20241218105317_Init.Designer.cs b/DD.Persistence.Database.Postgres/Migrations/20241218105317_Init.Designer.cs
index d3f3ed1..6d146e4 100644
--- a/DD.Persistence.Database.Postgres/Migrations/20241218105317_Init.Designer.cs
+++ b/DD.Persistence.Database.Postgres/Migrations/20241218105317_Init.Designer.cs
@@ -20,7 +20,7 @@ namespace DD.Persistence.Database.Postgres.Migrations
         {
 #pragma warning disable 612, 618
             modelBuilder
-                .UseCollation("C.UTF-8")
+                .UseCollation("Russian_Russia.1251")
                 .HasAnnotation("ProductVersion", "8.0.10")
                 .HasAnnotation("Relational:MaxIdentifierLength", 63);
 
diff --git a/DD.Persistence.Database.Postgres/Migrations/PersistencePostgresContextModelSnapshot.cs b/DD.Persistence.Database.Postgres/Migrations/PersistencePostgresContextModelSnapshot.cs
index 7256857..c57bb77 100644
--- a/DD.Persistence.Database.Postgres/Migrations/PersistencePostgresContextModelSnapshot.cs
+++ b/DD.Persistence.Database.Postgres/Migrations/PersistencePostgresContextModelSnapshot.cs
@@ -17,7 +17,7 @@ namespace DD.Persistence.Database.Postgres.Migrations
         {
 #pragma warning disable 612, 618
             modelBuilder
-                .UseCollation("C.UTF-8")
+                .UseCollation("Russian_Russia.1251")
                 .HasAnnotation("ProductVersion", "8.0.10")
                 .HasAnnotation("Relational:MaxIdentifierLength", 63);
 
diff --git a/DD.Persistence.Database.Postgres/PersistencePostgresContext.cs b/DD.Persistence.Database.Postgres/PersistencePostgresContext.cs
index 173f822..00f1a31 100644
--- a/DD.Persistence.Database.Postgres/PersistencePostgresContext.cs
+++ b/DD.Persistence.Database.Postgres/PersistencePostgresContext.cs
@@ -14,7 +14,7 @@ public partial class PersistencePostgresContext : PersistenceDbContext
     protected override void OnModelCreating(ModelBuilder modelBuilder)
     {
         modelBuilder.HasPostgresExtension("adminpack")
-            .HasAnnotation("Relational:Collation", "C.UTF-8");
+            .HasAnnotation("Relational:Collation", "Russian_Russia.1251");
 
         base.OnModelCreating(modelBuilder);