diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f657148..312055e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -51,7 +51,7 @@ jobs:
       - name: Setup .NET Core
         uses: actions/setup-dotnet@v1
         with:
-          dotnet-version: 2.2.207
+          dotnet-version: 3.1.302
       - name: Install dependencies
         run: dotnet restore
       - name: Build solution
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4601449..fa70168 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,7 +16,7 @@ jobs:
     - name: Setup .NET Core
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: 2.2.207
+        dotnet-version: 3.1.302
     - name: Install dependencies
       run: dotnet restore
     - name: Build
diff --git a/client/MAVN.Service.Tiers.Client/MAVN.Service.Tiers.Client.csproj b/client/MAVN.Service.Tiers.Client/MAVN.Service.Tiers.Client.csproj
index 59cfa6a..d6a12e1 100644
--- a/client/MAVN.Service.Tiers.Client/MAVN.Service.Tiers.Client.csproj
+++ b/client/MAVN.Service.Tiers.Client/MAVN.Service.Tiers.Client.csproj
@@ -13,8 +13,8 @@
     <None Remove="$(AssemblyName).xml" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Lykke.HttpClientGenerator" Version="2.5.0" />
-    <PackageReference Include="Lykke.SettingsReader" Version="5.2.0" />
+    <PackageReference Include="Lykke.HttpClientGenerator" Version="3.1.0" />
+    <PackageReference Include="Lykke.SettingsReader" Version="5.3.0" />
     <PackageReference Include="MAVN.Numerics" Version="1.0.0" />
     <PackageReference Include="Refit" Version="4.6.107" />
   </ItemGroup>
diff --git a/src/MAVN.Service.Tiers.Domain/MAVN.Service.Tiers.Domain.csproj b/src/MAVN.Service.Tiers.Domain/MAVN.Service.Tiers.Domain.csproj
index 2bf2601..90a0bf5 100644
--- a/src/MAVN.Service.Tiers.Domain/MAVN.Service.Tiers.Domain.csproj
+++ b/src/MAVN.Service.Tiers.Domain/MAVN.Service.Tiers.Domain.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <Version>1.0.0</Version>
   </PropertyGroup>
   <ItemGroup>
diff --git a/src/MAVN.Service.Tiers.DomainServices/MAVN.Service.Tiers.DomainServices.csproj b/src/MAVN.Service.Tiers.DomainServices/MAVN.Service.Tiers.DomainServices.csproj
index e6cda0f..b0f6555 100644
--- a/src/MAVN.Service.Tiers.DomainServices/MAVN.Service.Tiers.DomainServices.csproj
+++ b/src/MAVN.Service.Tiers.DomainServices/MAVN.Service.Tiers.DomainServices.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <Version>1.0.0</Version>
   </PropertyGroup>
   <ItemGroup>
@@ -8,7 +8,7 @@
     <ProjectReference Include="..\MAVN.Service.Tiers.Domain\MAVN.Service.Tiers.Domain.csproj" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Lykke.RabbitMqBroker" Version="7.13.1" />
-    <PackageReference Include="MAVN.Service.CustomerProfile.Client" Version="1.3.0" />
+    <PackageReference Include="Lykke.RabbitMqBroker" Version="7.13.3" />
+    <PackageReference Include="MAVN.Service.CustomerProfile.Client" Version="2.2.0" />
   </ItemGroup>
 </Project>
diff --git a/src/MAVN.Service.Tiers.MsSqlRepositories/AutofacModule.cs b/src/MAVN.Service.Tiers.MsSqlRepositories/AutofacModule.cs
index 586474f..0885bf1 100644
--- a/src/MAVN.Service.Tiers.MsSqlRepositories/AutofacModule.cs
+++ b/src/MAVN.Service.Tiers.MsSqlRepositories/AutofacModule.cs
@@ -1,5 +1,5 @@
-using Autofac;
-using MAVN.Common.MsSql;
+using Autofac;
+using MAVN.Persistence.PostgreSQL.Legacy;
 using MAVN.Service.Tiers.Domain.Repositories;
 using MAVN.Service.Tiers.MsSqlRepositories.Repositories;
 
@@ -16,7 +16,7 @@ public AutofacModule(string connectionString)
 
         protected override void Load(ContainerBuilder builder)
         {
-            builder.RegisterMsSql(
+            builder.RegisterPostgreSQL(
                 _connectionString,
                 connString => new DataContext(connString, false),
                 dbConn => new DataContext(dbConn));
diff --git a/src/MAVN.Service.Tiers.MsSqlRepositories/DataContext.cs b/src/MAVN.Service.Tiers.MsSqlRepositories/DataContext.cs
index 8a70d3f..bd6d7c6 100644
--- a/src/MAVN.Service.Tiers.MsSqlRepositories/DataContext.cs
+++ b/src/MAVN.Service.Tiers.MsSqlRepositories/DataContext.cs
@@ -4,13 +4,13 @@
 using System.Numerics;
 using MAVN.Numerics;
 using JetBrains.Annotations;
-using MAVN.Common.MsSql;
+using MAVN.Persistence.PostgreSQL.Legacy;
 using MAVN.Service.Tiers.MsSqlRepositories.Entities;
 using Microsoft.EntityFrameworkCore;
 
 namespace MAVN.Service.Tiers.MsSqlRepositories
 {
-    public class DataContext : MsSqlContext
+    public class DataContext : PostgreSQLContext
     {
         internal const string Schema = "tiers";
 
@@ -35,7 +35,7 @@ public DataContext(DbConnection dbConnection)
         {
         }
 
-        protected override void OnLykkeModelCreating(ModelBuilder modelBuilder)
+        protected override void OnMAVNModelCreating(ModelBuilder modelBuilder)
         {
             modelBuilder.Entity<TierEntity>()
                 .HasMany<CustomerTierEntity>()
diff --git a/src/MAVN.Service.Tiers.MsSqlRepositories/Entities/TierEntity.cs b/src/MAVN.Service.Tiers.MsSqlRepositories/Entities/TierEntity.cs
index 1f67121..0af66b3 100644
--- a/src/MAVN.Service.Tiers.MsSqlRepositories/Entities/TierEntity.cs
+++ b/src/MAVN.Service.Tiers.MsSqlRepositories/Entities/TierEntity.cs
@@ -24,7 +24,7 @@ public TierEntity(Guid id, string name, Money18 threshold)
         public Guid Id { get; set; }
 
         [Required]
-        [Column("name", TypeName = "nvarchar(50)")]
+        [Column("name")]
         public string Name { get; set; }
 
         [Column("threshold")]
diff --git a/src/MAVN.Service.Tiers.MsSqlRepositories/MAVN.Service.Tiers.MsSqlRepositories.csproj b/src/MAVN.Service.Tiers.MsSqlRepositories/MAVN.Service.Tiers.MsSqlRepositories.csproj
index 0d84121..1910151 100644
--- a/src/MAVN.Service.Tiers.MsSqlRepositories/MAVN.Service.Tiers.MsSqlRepositories.csproj
+++ b/src/MAVN.Service.Tiers.MsSqlRepositories/MAVN.Service.Tiers.MsSqlRepositories.csproj
@@ -1,11 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <Version>1.0.0</Version>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="AutoMapper" Version="9.0.0" />
-    <PackageReference Include="MAVN.Common.MsSql" Version="3.0.0" />
+    <PackageReference Include="Lykke.Logs" Version="7.4.0" />
+    <PackageReference Include="MAVN.Persistence.PostgreSQL.Legacy" Version="1.1.0" />
   </ItemGroup>
   <PropertyGroup>
     <GenerateRuntimeConfigurationFiles>true</GenerateRuntimeConfigurationFiles>
diff --git a/src/MAVN.Service.Tiers.MsSqlRepositories/Migrations/20190815200544_Initial.cs b/src/MAVN.Service.Tiers.MsSqlRepositories/Migrations/20190815200544_Initial.cs
index 63fa80e..1df4958 100644
--- a/src/MAVN.Service.Tiers.MsSqlRepositories/Migrations/20190815200544_Initial.cs
+++ b/src/MAVN.Service.Tiers.MsSqlRepositories/Migrations/20190815200544_Initial.cs
@@ -16,7 +16,7 @@ protected override void Up(MigrationBuilder migrationBuilder)
                 columns: table => new
                 {
                     id = table.Column<Guid>(nullable: false),
-                    name = table.Column<string>(type: "nvarchar(50)", nullable: false),
+                    name = table.Column<string>(nullable: false),
                     threshold = table.Column<int>(nullable: false)
                 },
                 constraints: table =>
diff --git a/src/MAVN.Service.Tiers.MsSqlRepositories/Repositories/CustomerBonusesRepository.cs b/src/MAVN.Service.Tiers.MsSqlRepositories/Repositories/CustomerBonusesRepository.cs
index cf2e8d2..0d34b02 100644
--- a/src/MAVN.Service.Tiers.MsSqlRepositories/Repositories/CustomerBonusesRepository.cs
+++ b/src/MAVN.Service.Tiers.MsSqlRepositories/Repositories/CustomerBonusesRepository.cs
@@ -1,7 +1,7 @@
-using System;
+using System;
 using System.Threading.Tasks;
 using AutoMapper;
-using MAVN.Common.MsSql;
+using MAVN.Persistence.PostgreSQL.Legacy;
 using MAVN.Service.Tiers.Domain.Entities;
 using MAVN.Service.Tiers.Domain.Repositories;
 using MAVN.Service.Tiers.MsSqlRepositories.Entities;
@@ -12,10 +12,10 @@ namespace MAVN.Service.Tiers.MsSqlRepositories.Repositories
     public class CustomerBonusesRepository : ICustomerBonusesRepository
     {
         private readonly IMapper _mapper;
-        private readonly MsSqlContextFactory<DataContext> _contextFactory;
+        private readonly PostgreSQLContextFactory<DataContext> _contextFactory;
 
         public CustomerBonusesRepository(
-            MsSqlContextFactory<DataContext> contextFactory,
+            PostgreSQLContextFactory<DataContext> contextFactory,
             IMapper mapper)
         {
             _contextFactory = contextFactory;
diff --git a/src/MAVN.Service.Tiers.MsSqlRepositories/Repositories/CustomerTiersRepository.cs b/src/MAVN.Service.Tiers.MsSqlRepositories/Repositories/CustomerTiersRepository.cs
index 63ce564..55a9deb 100644
--- a/src/MAVN.Service.Tiers.MsSqlRepositories/Repositories/CustomerTiersRepository.cs
+++ b/src/MAVN.Service.Tiers.MsSqlRepositories/Repositories/CustomerTiersRepository.cs
@@ -1,7 +1,7 @@
-using System;
+using System;
 using System.Linq;
 using System.Threading.Tasks;
-using MAVN.Common.MsSql;
+using MAVN.Persistence.PostgreSQL.Legacy;
 using MAVN.Service.Tiers.Domain.Repositories;
 using MAVN.Service.Tiers.MsSqlRepositories.Entities;
 using Microsoft.EntityFrameworkCore;
@@ -10,9 +10,9 @@ namespace MAVN.Service.Tiers.MsSqlRepositories.Repositories
 {
     public class CustomerTiersRepository : ICustomerTiersRepository
     {
-        private readonly MsSqlContextFactory<DataContext> _contextFactory;
+        private readonly PostgreSQLContextFactory<DataContext> _contextFactory;
 
-        public CustomerTiersRepository(MsSqlContextFactory<DataContext> contextFactory)
+        public CustomerTiersRepository(PostgreSQLContextFactory<DataContext> contextFactory)
         {
             _contextFactory = contextFactory;
         }
diff --git a/src/MAVN.Service.Tiers.MsSqlRepositories/Repositories/TiersRepository.cs b/src/MAVN.Service.Tiers.MsSqlRepositories/Repositories/TiersRepository.cs
index a779ce4..8a56877 100644
--- a/src/MAVN.Service.Tiers.MsSqlRepositories/Repositories/TiersRepository.cs
+++ b/src/MAVN.Service.Tiers.MsSqlRepositories/Repositories/TiersRepository.cs
@@ -1,8 +1,8 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Threading.Tasks;
 using AutoMapper;
-using MAVN.Common.MsSql;
+using MAVN.Persistence.PostgreSQL.Legacy;
 using MAVN.Service.Tiers.Domain.Entities;
 using MAVN.Service.Tiers.Domain.Repositories;
 using Microsoft.EntityFrameworkCore;
@@ -11,10 +11,10 @@ namespace MAVN.Service.Tiers.MsSqlRepositories.Repositories
 {
     public class TiersRepository : ITiersRepository
     {
-        private readonly MsSqlContextFactory<DataContext> _contextFactory;
+        private readonly PostgreSQLContextFactory<DataContext> _contextFactory;
         private readonly IMapper _mapper;
 
-        public TiersRepository(MsSqlContextFactory<DataContext> contextFactory, IMapper mapper)
+        public TiersRepository(PostgreSQLContextFactory<DataContext> contextFactory, IMapper mapper)
         {
             _contextFactory = contextFactory;
             _mapper = mapper;
diff --git a/src/MAVN.Service.Tiers/Dockerfile b/src/MAVN.Service.Tiers/Dockerfile
index 3423bf6..d445880 100644
--- a/src/MAVN.Service.Tiers/Dockerfile
+++ b/src/MAVN.Service.Tiers/Dockerfile
@@ -1,4 +1,4 @@
-FROM microsoft/dotnet:2.2-aspnetcore-runtime
+FROM microsoft/dotnet:3.1-aspnetcore-runtime
 WORKDIR /app
 COPY . .
 ENTRYPOINT ["dotnet", "MAVN.Service.Tiers.dll"]
\ No newline at end of file
diff --git a/src/MAVN.Service.Tiers/MAVN.Service.Tiers.csproj b/src/MAVN.Service.Tiers/MAVN.Service.Tiers.csproj
index 4621a79..8bdf13f 100644
--- a/src/MAVN.Service.Tiers/MAVN.Service.Tiers.csproj
+++ b/src/MAVN.Service.Tiers/MAVN.Service.Tiers.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <OutputType>Exe</OutputType>
     <Version>1.0.0</Version>
   </PropertyGroup>
@@ -13,12 +13,16 @@
     <LangVersion>latest</LangVersion>
   </PropertyGroup>
   <ItemGroup>
+    <None Update="appsettings.json">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
     <None Update="Dockerfile">
       <CopyToPublishDirectory>PreserveNewest</CopyToPublishDirectory>
     </None>
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Lykke.Sdk" Version="5.17.0" />
+    <PackageReference Include="Lykke.Logs" Version="7.4.0" />
+    <PackageReference Include="Lykke.Sdk" Version="5.18.0" />
     <PackageReference Include="AutoMapper.Extensions.Microsoft.DependencyInjection" Version="7.0.0" />
     <PackageReference Include="MAVN.Service.CustomerManagement.Contract" Version="1.1.0" />
     <PackageReference Include="MAVN.Service.WalletManagement.Contract" Version="1.1.1" />
diff --git a/tests/MAVN.Service.Tiers.DomainServices.Tests/MAVN.Service.Tiers.DomainServices.Tests.csproj b/tests/MAVN.Service.Tiers.DomainServices.Tests/MAVN.Service.Tiers.DomainServices.Tests.csproj
index 8e54ab6..7fb38d5 100644
--- a/tests/MAVN.Service.Tiers.DomainServices.Tests/MAVN.Service.Tiers.DomainServices.Tests.csproj
+++ b/tests/MAVN.Service.Tiers.DomainServices.Tests/MAVN.Service.Tiers.DomainServices.Tests.csproj
@@ -1,16 +1,19 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <IsPackable>false</IsPackable>
     <Version>1.0.0</Version>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Lykke.Logs" Version="7.3.3" />
+    <PackageReference Include="Lykke.Logs" Version="7.4.0" />
     <PackageReference Include="MAVN.Numerics" Version="1.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
-    <PackageReference Include="Moq" Version="4.13.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.6.1" />
+    <PackageReference Include="Moq" Version="4.14.5" />
     <PackageReference Include="xunit" Version="2.4.1" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.2">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\src\MAVN.Service.Tiers.DomainServices\MAVN.Service.Tiers.DomainServices.csproj" />
diff --git a/tests/MAVN.Service.Tiers.MsSqlRepositories.Tests/MAVN.Service.Tiers.MsSqlRepositories.Tests.csproj b/tests/MAVN.Service.Tiers.MsSqlRepositories.Tests/MAVN.Service.Tiers.MsSqlRepositories.Tests.csproj
index 46e3958..bdb24ec 100644
--- a/tests/MAVN.Service.Tiers.MsSqlRepositories.Tests/MAVN.Service.Tiers.MsSqlRepositories.Tests.csproj
+++ b/tests/MAVN.Service.Tiers.MsSqlRepositories.Tests/MAVN.Service.Tiers.MsSqlRepositories.Tests.csproj
@@ -1,14 +1,17 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <IsPackable>false</IsPackable>
     <Version>1.0.0</Version>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
-    <PackageReference Include="Moq" Version="4.13.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.6.1" />
+    <PackageReference Include="Moq" Version="4.14.5" />
     <PackageReference Include="xunit" Version="2.4.1" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.2">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\src\MAVN.Service.Tiers.MsSqlRepositories\MAVN.Service.Tiers.MsSqlRepositories.csproj" />
diff --git a/tests/MAVN.Service.Tiers.Tests/MAVN.Service.Tiers.Tests.csproj b/tests/MAVN.Service.Tiers.Tests/MAVN.Service.Tiers.Tests.csproj
index e71cc2c..00c2d2d 100644
--- a/tests/MAVN.Service.Tiers.Tests/MAVN.Service.Tiers.Tests.csproj
+++ b/tests/MAVN.Service.Tiers.Tests/MAVN.Service.Tiers.Tests.csproj
@@ -1,18 +1,21 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <IsPackable>false</IsPackable>
     <Version>1.0.0</Version>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="coverlet.msbuild" Version="2.8.1">
+    <PackageReference Include="coverlet.msbuild" Version="2.9.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
-    <PackageReference Include="Moq" Version="4.13.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.6.1" />
+    <PackageReference Include="Moq" Version="4.14.5" />
     <PackageReference Include="xunit" Version="2.4.1" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.2">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\src\MAVN.Service.Tiers\MAVN.Service.Tiers.csproj" />