diff --git a/src/Mpgp.Infrastructure/Mpgp.Infrastructure.csproj b/src/Mpgp.Infrastructure/Mpgp.Infrastructure.csproj
index 4b8452d..d1886ce 100644
--- a/src/Mpgp.Infrastructure/Mpgp.Infrastructure.csproj
+++ b/src/Mpgp.Infrastructure/Mpgp.Infrastructure.csproj
@@ -18,7 +18,7 @@
     <PackageReference Include="AutoMapper" Version="10.1.1" />
     <PackageReference Include="AutoMapper.Extensions.Microsoft.DependencyInjection" Version="8.1.0" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc" Version="2.2.0" />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.1.9" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="5.0.0" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.1.118">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
diff --git a/src/Mpgp.WebSocketServer/Mpgp.WebSocketServer.csproj b/src/Mpgp.WebSocketServer/Mpgp.WebSocketServer.csproj
index 6a2845f..e9ee3e5 100644
--- a/src/Mpgp.WebSocketServer/Mpgp.WebSocketServer.csproj
+++ b/src/Mpgp.WebSocketServer/Mpgp.WebSocketServer.csproj
@@ -19,7 +19,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="3.1.9" />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.1.9" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="5.0.0" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="3.1.9" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.1.118">