diff --git a/Directory.Packages.props b/Directory.Packages.props
new file mode 100644
index 0000000..94d1af9
--- /dev/null
+++ b/Directory.Packages.props
@@ -0,0 +1,25 @@
+<Project>
+  <PropertyGroup>
+    <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
+    <CentralPackageTransitivePinningEnabled>false</CentralPackageTransitivePinningEnabled>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageVersion Include="Autofac.Extensions.DependencyInjection" Version="8.0.0" />
+    <PackageVersion Include="Azure.Communication.Email" Version="1.0.1" />
+    <PackageVersion Include="Azure.Identity" Version="1.10.1" />
+    <PackageVersion Include="Ensure.That" Version="10.1.0" />
+    <PackageVersion Include="MailKit" Version="4.2.0" />
+    <PackageVersion Include="Microsoft.Exchange.WebServices.NETStandard" Version="1.1.3" />
+    <PackageVersion Include="Microsoft.Extensions.Configuration" Version="7.0.0" />
+    <PackageVersion Include="Microsoft.Extensions.Configuration.Json" Version="7.0.0" />
+    <PackageVersion Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="7.0.0" />
+    <PackageVersion Include="Microsoft.Extensions.Logging" Version="7.0.0" />
+    <PackageVersion Include="Microsoft.Extensions.Logging.Abstractions" Version="7.0.1" />
+    <PackageVersion Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="7.0.0" />
+    <PackageVersion Include="Microsoft.Graph" Version="5.28.0" />
+    <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="1.1.1" />
+    <PackageVersion Include="MimeKitLite" Version="4.2.0" />
+    <PackageVersion Include="MinVer" Version="4.3.0" />
+    <PackageVersion Include="SendGrid" Version="9.28.1" />
+  </ItemGroup>
+</Project>
diff --git a/OneBeyond.Studio.EmailProviders.sln b/OneBeyond.Studio.EmailProviders.sln
index 74a3a60..74bce58 100644
--- a/OneBeyond.Studio.EmailProviders.sln
+++ b/OneBeyond.Studio.EmailProviders.sln
@@ -22,13 +22,14 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		.editorconfig = .editorconfig
 		src\Directory.Build.props = src\Directory.Build.props
 		src\Directory.Build.targets = src\Directory.Build.targets
+		Directory.Packages.props = Directory.Packages.props
 	EndProjectSection
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "OneBeyond.Studio.EmailProviders.AzureCommService", "src\OneBeyond.Studio.EmailProviders.AzureCommService\OneBeyond.Studio.EmailProviders.AzureCommService.csproj", "{1DE9164C-9781-4D52-938B-FAE33A0B0D30}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "OneBeyond.Studio.EmailProviders.AzureCommService.Tests", "src\OneBeyond.Studio.EmailProviders.AzureCommService.Tests\OneBeyond.Studio.EmailProviders.AzureCommService.Tests.csproj", "{71AA4867-D8EF-4C81-B7AC-072D1145FE43}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OneBeyond.Studio.EmailProviders.SendGrid.Tests", "src\OneBeyond.Studio.EmailProviders.SendGrid.Tests\OneBeyond.Studio.EmailProviders.SendGrid.Tests.csproj", "{2FB1D7DD-6A61-4377-8C5F-F7FE07D4C729}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "OneBeyond.Studio.EmailProviders.SendGrid.Tests", "src\OneBeyond.Studio.EmailProviders.SendGrid.Tests\OneBeyond.Studio.EmailProviders.SendGrid.Tests.csproj", "{2FB1D7DD-6A61-4377-8C5F-F7FE07D4C729}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index 79d8611..9d4bb82 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -13,8 +13,8 @@
   </PropertyGroup>
   
   <ItemGroup>
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="All" />
-    <PackageReference Include="MinVer" Version="4.3.0" PrivateAssets="All" />
+    <PackageReference Include="Microsoft.SourceLink.GitHub" PrivateAssets="All" />
+    <PackageReference Include="MinVer" PrivateAssets="All" />
   </ItemGroup>
   
 </Project>
diff --git a/src/OneBeyond.Studio.EmailProviders.AzureCommService.Tests/OneBeyond.Studio.EmailProviders.AzureCommService.Tests.csproj b/src/OneBeyond.Studio.EmailProviders.AzureCommService.Tests/OneBeyond.Studio.EmailProviders.AzureCommService.Tests.csproj
index 89540c1..ceb5f2c 100644
--- a/src/OneBeyond.Studio.EmailProviders.AzureCommService.Tests/OneBeyond.Studio.EmailProviders.AzureCommService.Tests.csproj
+++ b/src/OneBeyond.Studio.EmailProviders.AzureCommService.Tests/OneBeyond.Studio.EmailProviders.AzureCommService.Tests.csproj
@@ -8,11 +8,11 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Autofac.Extensions.DependencyInjection" Version="8.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Configuration" Version="7.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="7.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="7.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Logging" Version="7.0.0" />
+    <PackageReference Include="Autofac.Extensions.DependencyInjection" />
+    <PackageReference Include="Microsoft.Extensions.Configuration" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" />
+    <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" />
+    <PackageReference Include="Microsoft.Extensions.Logging" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/OneBeyond.Studio.EmailProviders.AzureCommService/OneBeyond.Studio.EmailProviders.AzureCommService.csproj b/src/OneBeyond.Studio.EmailProviders.AzureCommService/OneBeyond.Studio.EmailProviders.AzureCommService.csproj
index cec15f1..75dee57 100644
--- a/src/OneBeyond.Studio.EmailProviders.AzureCommService/OneBeyond.Studio.EmailProviders.AzureCommService.csproj
+++ b/src/OneBeyond.Studio.EmailProviders.AzureCommService/OneBeyond.Studio.EmailProviders.AzureCommService.csproj
@@ -7,10 +7,10 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Azure.Communication.Email" Version="1.0.1" />
-    <PackageReference Include="Ensure.That" Version="10.1.0" />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="7.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="7.0.1" />
+    <PackageReference Include="Azure.Communication.Email" />
+    <PackageReference Include="Ensure.That" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/OneBeyond.Studio.EmailProviders.Domain/OneBeyond.Studio.EmailProviders.Domain.csproj b/src/OneBeyond.Studio.EmailProviders.Domain/OneBeyond.Studio.EmailProviders.Domain.csproj
index 97842e8..25f2c9a 100644
--- a/src/OneBeyond.Studio.EmailProviders.Domain/OneBeyond.Studio.EmailProviders.Domain.csproj
+++ b/src/OneBeyond.Studio.EmailProviders.Domain/OneBeyond.Studio.EmailProviders.Domain.csproj
@@ -13,11 +13,11 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <None Include="readme.md" Pack="true" PackagePath="\"/>
+    <None Include="readme.md" Pack="true" PackagePath="\" />
   </ItemGroup>
   
   <ItemGroup>
-    <PackageReference Include="Ensure.That" Version="10.1.0" />
+    <PackageReference Include="Ensure.That" />
   </ItemGroup>
 
 </Project>
diff --git a/src/OneBeyond.Studio.EmailProviders.Exchange/OneBeyond.Studio.EmailProviders.Exchange.csproj b/src/OneBeyond.Studio.EmailProviders.Exchange/OneBeyond.Studio.EmailProviders.Exchange.csproj
index 049335b..a3844bd 100644
--- a/src/OneBeyond.Studio.EmailProviders.Exchange/OneBeyond.Studio.EmailProviders.Exchange.csproj
+++ b/src/OneBeyond.Studio.EmailProviders.Exchange/OneBeyond.Studio.EmailProviders.Exchange.csproj
@@ -12,12 +12,12 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <None Include="readme.md" Pack="true" PackagePath="\"/>
+    <None Include="readme.md" Pack="true" PackagePath="\" />
   </ItemGroup>
   
   <ItemGroup>
-    <PackageReference Include="Microsoft.Exchange.WebServices.NETStandard" Version="1.1.3" />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="7.0.0" />
+    <PackageReference Include="Microsoft.Exchange.WebServices.NETStandard" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/OneBeyond.Studio.EmailProviders.Folder/OneBeyond.Studio.EmailProviders.Folder.csproj b/src/OneBeyond.Studio.EmailProviders.Folder/OneBeyond.Studio.EmailProviders.Folder.csproj
index 3ed318b..82638ac 100644
--- a/src/OneBeyond.Studio.EmailProviders.Folder/OneBeyond.Studio.EmailProviders.Folder.csproj
+++ b/src/OneBeyond.Studio.EmailProviders.Folder/OneBeyond.Studio.EmailProviders.Folder.csproj
@@ -16,8 +16,8 @@
   </ItemGroup>
   
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="7.0.0" />
-    <PackageReference Include="MimeKitLite" Version="4.2.0" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" />
+    <PackageReference Include="MimeKitLite" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/OneBeyond.Studio.EmailProviders.Graph/OneBeyond.Studio.EmailProviders.Graph.csproj b/src/OneBeyond.Studio.EmailProviders.Graph/OneBeyond.Studio.EmailProviders.Graph.csproj
index 2107b26..286c936 100644
--- a/src/OneBeyond.Studio.EmailProviders.Graph/OneBeyond.Studio.EmailProviders.Graph.csproj
+++ b/src/OneBeyond.Studio.EmailProviders.Graph/OneBeyond.Studio.EmailProviders.Graph.csproj
@@ -15,10 +15,10 @@
   </ItemGroup>
   
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="7.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="7.0.1" />
-    <PackageReference Include="Microsoft.Graph" Version="5.28.0" />
-    <PackageReference Include="Azure.Identity" Version="1.10.1" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" />
+    <PackageReference Include="Microsoft.Graph" />
+    <PackageReference Include="Azure.Identity" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/OneBeyond.Studio.EmailProviders.Office365/OneBeyond.Studio.EmailProviders.Office365.csproj b/src/OneBeyond.Studio.EmailProviders.Office365/OneBeyond.Studio.EmailProviders.Office365.csproj
index a588c31..a7bf0f4 100644
--- a/src/OneBeyond.Studio.EmailProviders.Office365/OneBeyond.Studio.EmailProviders.Office365.csproj
+++ b/src/OneBeyond.Studio.EmailProviders.Office365/OneBeyond.Studio.EmailProviders.Office365.csproj
@@ -12,12 +12,12 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <None Include="readme.md" Pack="true" PackagePath="\"/>
+    <None Include="readme.md" Pack="true" PackagePath="\" />
   </ItemGroup>
   
   <ItemGroup>
-    <PackageReference Include="Microsoft.Exchange.WebServices.NETStandard" Version="1.1.3" />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="7.0.0" />
+    <PackageReference Include="Microsoft.Exchange.WebServices.NETStandard" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/OneBeyond.Studio.EmailProviders.SendGrid.Tests/OneBeyond.Studio.EmailProviders.SendGrid.Tests.csproj b/src/OneBeyond.Studio.EmailProviders.SendGrid.Tests/OneBeyond.Studio.EmailProviders.SendGrid.Tests.csproj
index fa479e5..ea82065 100644
--- a/src/OneBeyond.Studio.EmailProviders.SendGrid.Tests/OneBeyond.Studio.EmailProviders.SendGrid.Tests.csproj
+++ b/src/OneBeyond.Studio.EmailProviders.SendGrid.Tests/OneBeyond.Studio.EmailProviders.SendGrid.Tests.csproj
@@ -8,11 +8,11 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Autofac.Extensions.DependencyInjection" Version="8.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Configuration" Version="7.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="7.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="7.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Logging" Version="7.0.0" />
+    <PackageReference Include="Autofac.Extensions.DependencyInjection" />
+    <PackageReference Include="Microsoft.Extensions.Configuration" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" />
+    <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" />
+    <PackageReference Include="Microsoft.Extensions.Logging" />
   </ItemGroup>
   
   <ItemGroup>
diff --git a/src/OneBeyond.Studio.EmailProviders.SendGrid/OneBeyond.Studio.EmailProviders.SendGrid.csproj b/src/OneBeyond.Studio.EmailProviders.SendGrid/OneBeyond.Studio.EmailProviders.SendGrid.csproj
index af66921..9d08be3 100644
--- a/src/OneBeyond.Studio.EmailProviders.SendGrid/OneBeyond.Studio.EmailProviders.SendGrid.csproj
+++ b/src/OneBeyond.Studio.EmailProviders.SendGrid/OneBeyond.Studio.EmailProviders.SendGrid.csproj
@@ -12,12 +12,12 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <None Include="readme.md" Pack="true" PackagePath="\"/>
+    <None Include="readme.md" Pack="true" PackagePath="\" />
   </ItemGroup>
   
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="7.0.0" />
-    <PackageReference Include="SendGrid" Version="9.28.1" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" />
+    <PackageReference Include="SendGrid" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/OneBeyond.Studio.EmailProviders.Smtp/OneBeyond.Studio.EmailProviders.Smtp.csproj b/src/OneBeyond.Studio.EmailProviders.Smtp/OneBeyond.Studio.EmailProviders.Smtp.csproj
index 5791627..4cc6337 100644
--- a/src/OneBeyond.Studio.EmailProviders.Smtp/OneBeyond.Studio.EmailProviders.Smtp.csproj
+++ b/src/OneBeyond.Studio.EmailProviders.Smtp/OneBeyond.Studio.EmailProviders.Smtp.csproj
@@ -16,9 +16,9 @@
   </ItemGroup>
   
   <ItemGroup>
-    <PackageReference Include="MailKit" Version="4.2.0" />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="7.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="7.0.1" />
+    <PackageReference Include="MailKit" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" />
   </ItemGroup>
 
   <ItemGroup>