diff --git a/src/PassReset.Tests.Integration.Ldap/PassReset.Tests.Integration.Ldap.csproj b/src/PassReset.Tests.Integration.Ldap/PassReset.Tests.Integration.Ldap.csproj
index c541b22..5c640d0 100644
--- a/src/PassReset.Tests.Integration.Ldap/PassReset.Tests.Integration.Ldap.csproj
+++ b/src/PassReset.Tests.Integration.Ldap/PassReset.Tests.Integration.Ldap.csproj
@@ -13,7 +13,7 @@
   </PropertyGroup>
   <ItemGroup>
     <!-- Versions pinned to match PassReset.Tests.csproj. -->
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.*" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.*" />
     <PackageReference Include="xunit.v3" Version="3.2.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.*">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
diff --git a/src/PassReset.Tests.Windows/PassReset.Tests.Windows.csproj b/src/PassReset.Tests.Windows/PassReset.Tests.Windows.csproj
index ec8cb86..d175a20 100644
--- a/src/PassReset.Tests.Windows/PassReset.Tests.Windows.csproj
+++ b/src/PassReset.Tests.Windows/PassReset.Tests.Windows.csproj
@@ -20,7 +20,7 @@
     <ExcludeByFile>**/Program.cs,**/obj/**,**/bin/**</ExcludeByFile>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.*" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.*" />
     <PackageReference Include="xunit.v3" Version="3.2.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.*">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
diff --git a/src/PassReset.Tests/PassReset.Tests.csproj b/src/PassReset.Tests/PassReset.Tests.csproj
index 7f3d124..9ad40fb 100644
--- a/src/PassReset.Tests/PassReset.Tests.csproj
+++ b/src/PassReset.Tests/PassReset.Tests.csproj
@@ -23,7 +23,7 @@
     <ExcludeByFile>**/Program.cs,**/obj/**,**/bin/**</ExcludeByFile>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.*" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.*" />
     <PackageReference Include="xunit.v3" Version="3.2.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.*">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>