diff --git a/SLM_2.2/App.config b/SLM_2.2/App.config
index eed5792..9eb2299 100644
--- a/SLM_2.2/App.config
+++ b/SLM_2.2/App.config
@@ -26,6 +26,10 @@
         <assemblyIdentity name="CrystalDecisions.CrystalReports.Engine" publicKeyToken="692fbea5521e1304" culture="neutral" />
         <bindingRedirect oldVersion="0.0.0.0-13.0.4000.0" newVersion="13.0.4000.0" />
       </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="log4net" publicKeyToken="669e0ddf0bb1aa2a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-3.3.0.0" newVersion="3.3.0.0" />
+      </dependentAssembly>
     </assemblyBinding>
   </runtime>
 </configuration>
\ No newline at end of file
diff --git a/SLM_2.2/SLM_2.2.vbproj b/SLM_2.2/SLM_2.2.vbproj
index faa77c8..332892c 100644
--- a/SLM_2.2/SLM_2.2.vbproj
+++ b/SLM_2.2/SLM_2.2.vbproj
@@ -136,6 +136,10 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\..\..\..\Documents\Componentes Graficos Vb2\SKIN NET 2010 WIN 7\SkinVS.NET\IrisSkin2.dll</HintPath>
     </Reference>
+    <Reference Include="log4net, Version=3.3.0.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a">
+      <HintPath>..\packages\log4net.3.3.0\lib\netstandard2.0\log4net.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.Office.Interop.Excel, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
       <EmbedInteropTypes>True</EmbedInteropTypes>
@@ -174,11 +178,35 @@
     </Reference>
     <Reference Include="Microsoft.VisualStudio.OLE.Interop, Version=7.1.40304.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
     <Reference Include="System" />
+    <Reference Include="System.Buffers, Version=4.0.2.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51">
+      <HintPath>..\packages\System.Buffers.4.6.1\lib\netstandard2.0\System.Buffers.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="System.Configuration" />
+    <Reference Include="System.Configuration.ConfigurationManager, Version=10.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51">
+      <HintPath>..\packages\System.Configuration.ConfigurationManager.10.0.5\lib\netstandard2.0\System.Configuration.ConfigurationManager.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="System.Data" />
     <Reference Include="System.Deployment" />
     <Reference Include="System.DirectoryServices" />
     <Reference Include="System.Drawing" />
+    <Reference Include="System.Memory, Version=4.0.2.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51">
+      <HintPath>..\packages\System.Memory.4.6.3\lib\netstandard2.0\System.Memory.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Numerics.Vectors, Version=4.1.3.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <HintPath>..\packages\System.Numerics.Vectors.4.6.1\lib\netstandard2.0\System.Numerics.Vectors.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <HintPath>..\packages\System.Runtime.CompilerServices.Unsafe.6.1.2\lib\netstandard2.0\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Security.Cryptography.ProtectedData, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <HintPath>..\packages\System.Security.Cryptography.ProtectedData.10.0.5\lib\netstandard2.0\System.Security.Cryptography.ProtectedData.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="System.Web" />
     <Reference Include="System.Web.Extensions" />
     <Reference Include="System.Web.Services" />
diff --git a/SLM_2.2/packages.config b/SLM_2.2/packages.config
index ee248e8..73f3901 100644
--- a/SLM_2.2/packages.config
+++ b/SLM_2.2/packages.config
@@ -2,11 +2,17 @@
 <packages>
   <package id="Cquential.Microsoft.ReportViewer.Common" version="10.0.40219.1" targetFramework="net461" />
   <package id="Cquential.Microsoft.ReportViewer.DataVisualization" version="10.0.40219.1" targetFramework="net461" />
-  <package id="log4net" version="1.2.10" targetFramework="net461" />
+  <package id="log4net" version="3.3.0" targetFramework="net461" />
   <package id="Microsoft.Office.Interop.Excel" version="15.0.4795.1000" targetFramework="net461" />
   <package id="Microsoft.ReportingServices.ReportViewerControl.Winforms" version="150.1404.0" targetFramework="net461" />
   <package id="Microsoft.ReportViewer" version="11.0.3366.16" targetFramework="net461" />
   <package id="Microsoft.ReportViewer.Common" version="10.0.40219.1" targetFramework="net461" />
   <package id="Microsoft.ReportViewer.WinForms" version="10.0.40219.1" targetFramework="net461" />
   <package id="Microsoft.SqlServer.Types" version="14.0.314.76" targetFramework="net461" />
+  <package id="System.Buffers" version="4.6.1" targetFramework="net461" />
+  <package id="System.Configuration.ConfigurationManager" version="10.0.5" targetFramework="net461" />
+  <package id="System.Memory" version="4.6.3" targetFramework="net461" />
+  <package id="System.Numerics.Vectors" version="4.6.1" targetFramework="net461" />
+  <package id="System.Runtime.CompilerServices.Unsafe" version="6.1.2" targetFramework="net461" />
+  <package id="System.Security.Cryptography.ProtectedData" version="10.0.5" targetFramework="net461" />
 </packages>
\ No newline at end of file