diff --git a/tests/PSRule.CommandLine.Tests/PSRule.CommandLine.Tests.csproj b/tests/PSRule.CommandLine.Tests/PSRule.CommandLine.Tests.csproj
index 7c1def6514..25b6419432 100644
--- a/tests/PSRule.CommandLine.Tests/PSRule.CommandLine.Tests.csproj
+++ b/tests/PSRule.CommandLine.Tests/PSRule.CommandLine.Tests.csproj
@@ -13,7 +13,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
       <PrivateAssets>all</PrivateAssets>
diff --git a/tests/PSRule.EditorServices.Tests/PSRule.EditorServices.Tests.csproj b/tests/PSRule.EditorServices.Tests/PSRule.EditorServices.Tests.csproj
index dbbe6fc2e7..dd1ea7d3d5 100644
--- a/tests/PSRule.EditorServices.Tests/PSRule.EditorServices.Tests.csproj
+++ b/tests/PSRule.EditorServices.Tests/PSRule.EditorServices.Tests.csproj
@@ -14,7 +14,7 @@
 
   <ItemGroup>
     <PackageReference Include="OmniSharp.Extensions.LanguageProtocol.Testing" Version="0.19.9" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
       <PrivateAssets>all</PrivateAssets>
diff --git a/tests/PSRule.Tests/PSRule.Tests.csproj b/tests/PSRule.Tests/PSRule.Tests.csproj
index fe320269d8..491eee8e7d 100644
--- a/tests/PSRule.Tests/PSRule.Tests.csproj
+++ b/tests/PSRule.Tests/PSRule.Tests.csproj
@@ -11,7 +11,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
     <PackageReference Include="Microsoft.PowerShell.SDK" Version="7.4.13" />
     <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="xunit" Version="2.9.3" />
diff --git a/tests/PSRule.Tool.Tests/PSRule.Tool.Tests.csproj b/tests/PSRule.Tool.Tests/PSRule.Tool.Tests.csproj
index 4b4a26e8a5..ca490ac1ca 100644
--- a/tests/PSRule.Tool.Tests/PSRule.Tool.Tests.csproj
+++ b/tests/PSRule.Tool.Tests/PSRule.Tool.Tests.csproj
@@ -13,7 +13,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
       <PrivateAssets>all</PrivateAssets>
diff --git a/tests/PSRule.Types.Tests/PSRule.Types.Tests.csproj b/tests/PSRule.Types.Tests/PSRule.Types.Tests.csproj
index a807438146..b98863cc89 100644
--- a/tests/PSRule.Types.Tests/PSRule.Types.Tests.csproj
+++ b/tests/PSRule.Types.Tests/PSRule.Types.Tests.csproj
@@ -13,7 +13,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
       <PrivateAssets>all</PrivateAssets>