diff --git a/SystemExtensions.NetStandard.Security.Tests/AesEncrypterTests.cs b/SystemExtensions.NetStandard.Security.Tests/AesEncrypterTests.cs
index 875dc46..bf5b5e3 100644
--- a/SystemExtensions.NetStandard.Security.Tests/AesEncrypterTests.cs
+++ b/SystemExtensions.NetStandard.Security.Tests/AesEncrypterTests.cs
@@ -3,9 +3,9 @@ using Microsoft.VisualStudio.TestTools.UnitTesting;
 using System;
 using System.IO;
 using System.Security.Cryptography;
+using System.Security.Encryption;
 using System.Text;
 using System.Threading.Tasks;
-using SystemExtensions.NetStandard.Security.Encryption;
 
 namespace SystemExtensions.NetStandard.Security.Tests
 {
diff --git a/SystemExtensions.NetStandard.Security.Tests/Sha256HashingServiceTests.cs b/SystemExtensions.NetStandard.Security.Tests/Sha256HashingServiceTests.cs
index c0ab393..ef8eaa2 100644
--- a/SystemExtensions.NetStandard.Security.Tests/Sha256HashingServiceTests.cs
+++ b/SystemExtensions.NetStandard.Security.Tests/Sha256HashingServiceTests.cs
@@ -2,9 +2,9 @@
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using System;
 using System.IO;
+using System.Security.Hashing;
 using System.Text;
 using System.Threading.Tasks;
-using SystemExtensions.NetStandard.Security.Hashing;
 
 namespace SystemExtensions.NetStandard.Security.Tests
 {
diff --git a/SystemExtensions.NetStandard.Security/Encryption/AesEncrypter.cs b/SystemExtensions.NetStandard.Security/Encryption/AesEncrypter.cs
index d804e90..95cb23b 100644
--- a/SystemExtensions.NetStandard.Security/Encryption/AesEncrypter.cs
+++ b/SystemExtensions.NetStandard.Security/Encryption/AesEncrypter.cs
@@ -1,11 +1,10 @@
-using System;
-using System.IO;
+using System.IO;
 using System.Linq;
 using System.Security.Cryptography;
 using System.Threading.Tasks;
-using SystemExtensions.NetStandard.Security.Utilities;
+using System.Security.Utilities;
 
-namespace SystemExtensions.NetStandard.Security.Encryption
+namespace System.Security.Encryption
 {
     public sealed class AesEncrypter : ISymmetricEncrypter
     {
diff --git a/SystemExtensions.NetStandard.Security/Encryption/ISymmetricEncrypter.cs b/SystemExtensions.NetStandard.Security/Encryption/ISymmetricEncrypter.cs
index aa22f92..e3a7bab 100644
--- a/SystemExtensions.NetStandard.Security/Encryption/ISymmetricEncrypter.cs
+++ b/SystemExtensions.NetStandard.Security/Encryption/ISymmetricEncrypter.cs
@@ -1,7 +1,7 @@
 using System.IO;
 using System.Threading.Tasks;
 
-namespace SystemExtensions.NetStandard.Security.Encryption
+namespace System.Security.Encryption
 {
     public interface ISymmetricEncrypter
     {
diff --git a/SystemExtensions.NetStandard.Security/Hashing/IHashingService.cs b/SystemExtensions.NetStandard.Security/Hashing/IHashingService.cs
index 08637e8..dce5596 100644
--- a/SystemExtensions.NetStandard.Security/Hashing/IHashingService.cs
+++ b/SystemExtensions.NetStandard.Security/Hashing/IHashingService.cs
@@ -1,7 +1,7 @@
 using System.IO;
 using System.Threading.Tasks;
 
-namespace SystemExtensions.NetStandard.Security.Hashing
+namespace System.Security.Hashing
 {
     public interface IHashingService
     {
diff --git a/SystemExtensions.NetStandard.Security/Hashing/Sha256HashingService.cs b/SystemExtensions.NetStandard.Security/Hashing/Sha256HashingService.cs
index da50fbb..d03ac76 100644
--- a/SystemExtensions.NetStandard.Security/Hashing/Sha256HashingService.cs
+++ b/SystemExtensions.NetStandard.Security/Hashing/Sha256HashingService.cs
@@ -1,9 +1,8 @@
-using System;
-using System.IO;
+using System.IO;
 using System.Security.Cryptography;
 using System.Threading.Tasks;
 
-namespace SystemExtensions.NetStandard.Security.Hashing
+namespace System.Security.Hashing
 {
     public sealed class Sha256HashingService : IHashingService
     {
diff --git a/SystemExtensions.NetStandard.Security/SystemExtensions.NetStandard.Security.csproj b/SystemExtensions.NetStandard.Security/SystemExtensions.NetStandard.Security.csproj
index 16141a2..d063654 100644
--- a/SystemExtensions.NetStandard.Security/SystemExtensions.NetStandard.Security.csproj
+++ b/SystemExtensions.NetStandard.Security/SystemExtensions.NetStandard.Security.csproj
@@ -7,7 +7,7 @@
     <PackageLicenseFile>LICENSE</PackageLicenseFile>
     <PackageRequireLicenseAcceptance>true</PackageRequireLicenseAcceptance>
     <RootNamespace>System</RootNamespace>
-    <Version>1.2.0</Version>
+    <Version>1.2.1</Version>
     <Authors>Alexandru Macocian</Authors>
     <RepositoryUrl>https://github.com/AlexMacocian/SystemExtensions</RepositoryUrl>
   </PropertyGroup>
diff --git a/SystemExtensions.NetStandard.Security/Utilities/NotClosingCryptoStream.cs b/SystemExtensions.NetStandard.Security/Utilities/NotClosingCryptoStream.cs
index 862feb8..f166b59 100644
--- a/SystemExtensions.NetStandard.Security/Utilities/NotClosingCryptoStream.cs
+++ b/SystemExtensions.NetStandard.Security/Utilities/NotClosingCryptoStream.cs
@@ -1,7 +1,7 @@
 using System.IO;
 using System.Security.Cryptography;
 
-namespace SystemExtensions.NetStandard.Security.Utilities
+namespace System.Security.Utilities
 {
     internal sealed class NotClosingCryptoStream : CryptoStream
     {