diff --git a/Directory.Build.props b/Directory.Build.props
index e802dc8..6030abe 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -4,13 +4,16 @@
     </PropertyGroup>
 
     <PropertyGroup>
+        <Nullable>enable</Nullable>
+        <LangVersion>12</LangVersion>
         <WarningsAsErrors>nullable</WarningsAsErrors>
         <UseArtifactsOutput>true</UseArtifactsOutput>
+        <ImplicitUsings>enable</ImplicitUsings>
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="JetBrains.Annotations" Version="2024.3.0"/>
-        <PackageReference Include="PolySharp" Version="1.15.0">
+        <PackageReference Include="JetBrains.Annotations"/>
+        <PackageReference Include="PolySharp">
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
diff --git a/Directory.Packages.props b/Directory.Packages.props
new file mode 100644
index 0000000..d14cba9
--- /dev/null
+++ b/Directory.Packages.props
@@ -0,0 +1,18 @@
+<Project>
+    <PropertyGroup>
+        <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
+    </PropertyGroup>
+    <ItemGroup>
+        <PackageVersion Include="PcgRandom" Version="1.2.0"/>
+        <PackageVersion Include="System.Collections.Immutable" Version="8.0.0"/>
+        <PackageVersion Include="System.Text.Json" Version="8.0.5"/>
+        <PackageVersion Include="CSPath" Version="0.0.4"/>
+        <PackageVersion Include="coverlet.collector" Version="6.0.4"/>
+        <PackageVersion Include="NSubstitute" Version="5.3.0"/>
+        <PackageVersion Include="NSubstitute.Analyzers.CSharp" Version="1.0.17"/>
+        <PackageVersion Include="System.Linq.Async" Version="6.0.1"/>
+        <PackageVersion Include="TUnit" Version="0.20.0"/>
+        <PackageVersion Include="PolySharp" Version="1.15"/>
+        <PackageVersion Include="JetBrains.Annotations" Version="2024.3.0"/>
+    </ItemGroup>
+</Project>
\ No newline at end of file
diff --git a/PkmnLib.Dynamic/PkmnLib.Dynamic.csproj b/PkmnLib.Dynamic/PkmnLib.Dynamic.csproj
index bdf696f..16d7711 100644
--- a/PkmnLib.Dynamic/PkmnLib.Dynamic.csproj
+++ b/PkmnLib.Dynamic/PkmnLib.Dynamic.csproj
@@ -2,9 +2,6 @@
 
     <PropertyGroup>
         <TargetFramework>netstandard2.1</TargetFramework>
-        <LangVersion>12</LangVersion>
-        <Nullable>enable</Nullable>
-        <ImplicitUsings>enable</ImplicitUsings>
     </PropertyGroup>
 
     <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
@@ -16,8 +13,8 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="System.Collections.Immutable" Version="8.0.0"/>
-        <PackageReference Include="System.Text.Json" Version="8.0.5"/>
+        <PackageReference Include="System.Collections.Immutable"/>
+        <PackageReference Include="System.Text.Json"/>
     </ItemGroup>
     <ItemGroup>
         <ProjectReference Include="..\PkmnLib.Static\PkmnLib.Static.csproj"/>
diff --git a/PkmnLib.Static/PkmnLib.Static.csproj b/PkmnLib.Static/PkmnLib.Static.csproj
index dfe79a2..3d6ccd9 100644
--- a/PkmnLib.Static/PkmnLib.Static.csproj
+++ b/PkmnLib.Static/PkmnLib.Static.csproj
@@ -2,9 +2,6 @@
 
     <PropertyGroup>
         <TargetFramework>netstandard2.1</TargetFramework>
-        <LangVersion>12</LangVersion>
-        <Nullable>enable</Nullable>
-        <ImplicitUsings>enable</ImplicitUsings>
     </PropertyGroup>
 
     <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
@@ -16,8 +13,8 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="PcgRandom" Version="1.2.0"/>
-        <PackageReference Include="System.Collections.Immutable" Version="8.0.0"/>
+        <PackageReference Include="PcgRandom"/>
+        <PackageReference Include="System.Collections.Immutable"/>
     </ItemGroup>
 
 </Project>
diff --git a/PkmnLib.Tests/PkmnLib.Tests.csproj b/PkmnLib.Tests/PkmnLib.Tests.csproj
index 9d87ff0..73df3e9 100644
--- a/PkmnLib.Tests/PkmnLib.Tests.csproj
+++ b/PkmnLib.Tests/PkmnLib.Tests.csproj
@@ -2,8 +2,6 @@
 
     <PropertyGroup>
         <TargetFramework>net9.0</TargetFramework>
-        <ImplicitUsings>enable</ImplicitUsings>
-        <Nullable>enable</Nullable>
         <IsPackable>false</IsPackable>
         <IsTestProject>true</IsTestProject>
         <NoWarn>
@@ -13,18 +11,18 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="CSPath" Version="0.0.4"/>
-        <PackageReference Include="coverlet.collector" Version="6.0.4">
+        <PackageReference Include="CSPath"/>
+        <PackageReference Include="coverlet.collector">
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-        <PackageReference Include="NSubstitute" Version="5.3.0"/>
-        <PackageReference Include="NSubstitute.Analyzers.CSharp" Version="1.0.17">
+        <PackageReference Include="NSubstitute"/>
+        <PackageReference Include="NSubstitute.Analyzers.CSharp">
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-        <PackageReference Include="System.Linq.Async" Version="6.0.1"/>
-        <PackageReference Include="TUnit" Version="0.20.0" />
+        <PackageReference Include="System.Linq.Async"/>
+        <PackageReference Include="TUnit"/>
     </ItemGroup>
 
     <ItemGroup>
diff --git a/Plugins/PkmnLib.Plugin.Gen7.Tests/PkmnLib.Plugin.Gen7.Tests.csproj b/Plugins/PkmnLib.Plugin.Gen7.Tests/PkmnLib.Plugin.Gen7.Tests.csproj
index 015e6de..7376578 100644
--- a/Plugins/PkmnLib.Plugin.Gen7.Tests/PkmnLib.Plugin.Gen7.Tests.csproj
+++ b/Plugins/PkmnLib.Plugin.Gen7.Tests/PkmnLib.Plugin.Gen7.Tests.csproj
@@ -2,8 +2,6 @@
 
     <PropertyGroup>
         <TargetFramework>net9.0</TargetFramework>
-        <ImplicitUsings>enable</ImplicitUsings>
-        <Nullable>enable</Nullable>
         <IsPackable>false</IsPackable>
         <IsTestProject>true</IsTestProject>
         <NoWarn>
@@ -13,16 +11,16 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="coverlet.collector" Version="6.0.4">
+        <PackageReference Include="coverlet.collector">
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-        <PackageReference Include="NSubstitute" Version="5.3.0"/>
-        <PackageReference Include="NSubstitute.Analyzers.CSharp" Version="1.0.17">
+        <PackageReference Include="NSubstitute"/>
+        <PackageReference Include="NSubstitute.Analyzers.CSharp">
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-        <PackageReference Include="TUnit" Version="0.20.0" />
+        <PackageReference Include="TUnit"/>
     </ItemGroup>
 
     <ItemGroup>
diff --git a/Plugins/PkmnLib.Plugin.Gen7/PkmnLib.Plugin.Gen7.csproj b/Plugins/PkmnLib.Plugin.Gen7/PkmnLib.Plugin.Gen7.csproj
index 59b72d5..1312403 100644
--- a/Plugins/PkmnLib.Plugin.Gen7/PkmnLib.Plugin.Gen7.csproj
+++ b/Plugins/PkmnLib.Plugin.Gen7/PkmnLib.Plugin.Gen7.csproj
@@ -2,8 +2,6 @@
 
     <PropertyGroup>
         <TargetFramework>netstandard2.1</TargetFramework>
-        <Nullable>enable</Nullable>
-        <LangVersion>12</LangVersion>
     </PropertyGroup>
 
     <ItemGroup>