diff --git a/INTEREST.BLL/INTEREST.BLL.csproj b/INTEREST.BLL/INTEREST.BLL.csproj
index b776cb2..515157a 100644
--- a/INTEREST.BLL/INTEREST.BLL.csproj
+++ b/INTEREST.BLL/INTEREST.BLL.csproj
@@ -7,7 +7,7 @@
   <ItemGroup>
     <PackageReference Include="AutoMapper" Version="8.1.1" />
     <PackageReference Include="AutoMapper.Extensions.Microsoft.DependencyInjection" Version="6.1.1" />
-    <PackageReference Include="MailKit" Version="2.2.0" />
+    <PackageReference Include="MailKit" Version="4.16.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/INTEREST.WEB/INTEREST.WEB.csproj b/INTEREST.WEB/INTEREST.WEB.csproj
index 62e13ce..35717dc 100644
--- a/INTEREST.WEB/INTEREST.WEB.csproj
+++ b/INTEREST.WEB/INTEREST.WEB.csproj
@@ -9,7 +9,7 @@
   <ItemGroup>
     <PackageReference Include="AutoMapper" Version="8.1.1" />
     <PackageReference Include="AutoMapper.Extensions.Microsoft.DependencyInjection" Version="6.1.1" />
-    <PackageReference Include="MailKit" Version="2.2.0" />
+    <PackageReference Include="MailKit" Version="4.16.0" />
     <PackageReference Include="Microsoft.AspNetCore.App" />
     <PackageReference Include="Microsoft.AspNetCore.Razor.Design" Version="2.2.0" PrivateAssets="All" />
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="2.2.3" />