diff --git a/Directory.Packages.props b/Directory.Packages.props
index 267b8c9..60cb5b9 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -9,6 +9,10 @@
     <PackageVersion Include="Serilog.Extensions.Hosting" Version="10.0.0" />
     <PackageVersion Include="Serilog.Sinks.Console" Version="6.1.1" />
 
+    <!-- Authentication -->
+    <PackageVersion Include="NATS.NKeys" Version="1.0.0-preview.3" />
+    <PackageVersion Include="BCrypt.Net-Next" Version="4.0.3" />
+
     <!-- Testing -->
     <PackageVersion Include="coverlet.collector" Version="6.0.4" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
diff --git a/src/NATS.Server/NATS.Server.csproj b/src/NATS.Server/NATS.Server.csproj
index 55d61f5..4a9060d 100644
--- a/src/NATS.Server/NATS.Server.csproj
+++ b/src/NATS.Server/NATS.Server.csproj
@@ -1,5 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" />
+    <PackageReference Include="NATS.NKeys" />
+    <PackageReference Include="BCrypt.Net-Next" />
   </ItemGroup>
 </Project>
diff --git a/tests/NATS.Server.Tests/NATS.Server.Tests.csproj b/tests/NATS.Server.Tests/NATS.Server.Tests.csproj
index feb18ff..611a86f 100644
--- a/tests/NATS.Server.Tests/NATS.Server.Tests.csproj
+++ b/tests/NATS.Server.Tests/NATS.Server.Tests.csproj
@@ -12,6 +12,7 @@
     <PackageReference Include="Shouldly" />
     <PackageReference Include="xunit" />
     <PackageReference Include="xunit.runner.visualstudio" />
+    <PackageReference Include="NATS.NKeys" />
   </ItemGroup>
 
   <ItemGroup>