diff --git a/client/MAVN.Service.CurrencyConverter.Client/Api/IConverterApi.cs b/client/MAVN.Service.CurrencyConverter.Client/Api/IConverterApi.cs
index e32cc20..18b4564 100644
--- a/client/MAVN.Service.CurrencyConverter.Client/Api/IConverterApi.cs
+++ b/client/MAVN.Service.CurrencyConverter.Client/Api/IConverterApi.cs
@@ -1,5 +1,5 @@
 using System.Threading.Tasks;
-using Falcon.Numerics;
+using MAVN.Numerics;
 using JetBrains.Annotations;
 using MAVN.Service.CurrencyConvertor.Client.Models.Responses;
 using Refit;
diff --git a/client/MAVN.Service.CurrencyConverter.Client/MAVN.Service.CurrencyConverter.Client.csproj b/client/MAVN.Service.CurrencyConverter.Client/MAVN.Service.CurrencyConverter.Client.csproj
index 70eff2c..cfe69c5 100644
--- a/client/MAVN.Service.CurrencyConverter.Client/MAVN.Service.CurrencyConverter.Client.csproj
+++ b/client/MAVN.Service.CurrencyConverter.Client/MAVN.Service.CurrencyConverter.Client.csproj
@@ -15,9 +15,9 @@
     <None Remove="Lykke.Service.CurrencyConvertor.Client.xml" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Falcon.Numerics" Version="0.1.1" />
     <PackageReference Include="Lykke.HttpClientGenerator" Version="2.5.0" />
     <PackageReference Include="Lykke.SettingsReader" Version="5.2.0" />
+    <PackageReference Include="MAVN.Numerics" Version="1.0.0" />
     <PackageReference Include="Refit" Version="4.6.107" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/client/MAVN.Service.CurrencyConverter.Client/Models/Requests/GlobalCurrencyRateRequest.cs b/client/MAVN.Service.CurrencyConverter.Client/Models/Requests/GlobalCurrencyRateRequest.cs
index 57563f1..434a94c 100644
--- a/client/MAVN.Service.CurrencyConverter.Client/Models/Requests/GlobalCurrencyRateRequest.cs
+++ b/client/MAVN.Service.CurrencyConverter.Client/Models/Requests/GlobalCurrencyRateRequest.cs
@@ -1,4 +1,4 @@
-using Falcon.Numerics;
+using MAVN.Numerics;
 using JetBrains.Annotations;
 
 namespace MAVN.Service.CurrencyConvertor.Client.Models.Requests
diff --git a/client/MAVN.Service.CurrencyConverter.Client/Models/Responses/GlobalCurrencyRateModel.cs b/client/MAVN.Service.CurrencyConverter.Client/Models/Responses/GlobalCurrencyRateModel.cs
index 6545e8b..cd5f723 100644
--- a/client/MAVN.Service.CurrencyConverter.Client/Models/Responses/GlobalCurrencyRateModel.cs
+++ b/client/MAVN.Service.CurrencyConverter.Client/Models/Responses/GlobalCurrencyRateModel.cs
@@ -1,4 +1,4 @@
-using Falcon.Numerics;
+using MAVN.Numerics;
 using JetBrains.Annotations;
 
 namespace MAVN.Service.CurrencyConvertor.Client.Models.Responses
diff --git a/src/MAVN.Service.CurrencyConverter.Domain/MAVN.Service.CurrencyConverter.Domain.csproj b/src/MAVN.Service.CurrencyConverter.Domain/MAVN.Service.CurrencyConverter.Domain.csproj
index 4ebfa61..7d67faa 100644
--- a/src/MAVN.Service.CurrencyConverter.Domain/MAVN.Service.CurrencyConverter.Domain.csproj
+++ b/src/MAVN.Service.CurrencyConverter.Domain/MAVN.Service.CurrencyConverter.Domain.csproj
@@ -4,7 +4,7 @@
     <Version>1.0.0</Version>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Falcon.Numerics" Version="0.1.1" />
     <PackageReference Include="Lykke.Common" Version="7.5.0" />
+    <PackageReference Include="MAVN.Numerics" Version="1.0.0" />
   </ItemGroup>
 </Project>
diff --git a/src/MAVN.Service.CurrencyConverter.Domain/Models/GlobalCurrencyRate.cs b/src/MAVN.Service.CurrencyConverter.Domain/Models/GlobalCurrencyRate.cs
index 1f7186c..e2db1de 100644
--- a/src/MAVN.Service.CurrencyConverter.Domain/Models/GlobalCurrencyRate.cs
+++ b/src/MAVN.Service.CurrencyConverter.Domain/Models/GlobalCurrencyRate.cs
@@ -1,4 +1,4 @@
-using Falcon.Numerics;
+using MAVN.Numerics;
 
 namespace MAVN.Service.CurrencyConverter.Domain.Models
 {
diff --git a/src/MAVN.Service.CurrencyConverter.Domain/Services/IConverterService.cs b/src/MAVN.Service.CurrencyConverter.Domain/Services/IConverterService.cs
index 0c96952..6eb7773 100644
--- a/src/MAVN.Service.CurrencyConverter.Domain/Services/IConverterService.cs
+++ b/src/MAVN.Service.CurrencyConverter.Domain/Services/IConverterService.cs
@@ -1,5 +1,5 @@
 using System.Threading.Tasks;
-using Falcon.Numerics;
+using MAVN.Numerics;
 
 namespace MAVN.Service.CurrencyConverter.Domain.Services
 {
diff --git a/src/MAVN.Service.CurrencyConverter.DomainServices/ConverterService.cs b/src/MAVN.Service.CurrencyConverter.DomainServices/ConverterService.cs
index 117d28b..4bc0b2c 100644
--- a/src/MAVN.Service.CurrencyConverter.DomainServices/ConverterService.cs
+++ b/src/MAVN.Service.CurrencyConverter.DomainServices/ConverterService.cs
@@ -1,6 +1,6 @@
 using System;
 using System.Threading.Tasks;
-using Falcon.Numerics;
+using MAVN.Numerics;
 using MAVN.Service.CurrencyConverter.Domain.Exceptions;
 using MAVN.Service.CurrencyConverter.Domain.Services;
 
diff --git a/src/MAVN.Service.CurrencyConverter.MsSqlRepositories/Entities/GlobalCurrencyRateEntity.cs b/src/MAVN.Service.CurrencyConverter.MsSqlRepositories/Entities/GlobalCurrencyRateEntity.cs
index a13c557..95f196a 100644
--- a/src/MAVN.Service.CurrencyConverter.MsSqlRepositories/Entities/GlobalCurrencyRateEntity.cs
+++ b/src/MAVN.Service.CurrencyConverter.MsSqlRepositories/Entities/GlobalCurrencyRateEntity.cs
@@ -1,7 +1,7 @@
 using System;
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
-using Falcon.Numerics;
+using MAVN.Numerics;
 
 namespace MAVN.Service.CurrencyConverter.MsSqlRepositories.Entities
 {
diff --git a/src/MAVN.Service.CurrencyConverter/Controllers/ConverterController.cs b/src/MAVN.Service.CurrencyConverter/Controllers/ConverterController.cs
index 6cf3fa6..b068fd8 100644
--- a/src/MAVN.Service.CurrencyConverter/Controllers/ConverterController.cs
+++ b/src/MAVN.Service.CurrencyConverter/Controllers/ConverterController.cs
@@ -1,5 +1,5 @@
 using System.Threading.Tasks;
-using Falcon.Numerics;
+using MAVN.Numerics;
 using MAVN.Service.CurrencyConverter.Domain.Exceptions;
 using MAVN.Service.CurrencyConverter.Domain.Services;
 using MAVN.Service.CurrencyConvertor.Client.Api;