diff --git a/Tests/Opc.Ua.Client.Tests/Opc.Ua.Client.Tests.csproj b/Tests/Opc.Ua.Client.Tests/Opc.Ua.Client.Tests.csproj
index 9caa98bf53..ab4d2a849d 100644
--- a/Tests/Opc.Ua.Client.Tests/Opc.Ua.Client.Tests.csproj
+++ b/Tests/Opc.Ua.Client.Tests/Opc.Ua.Client.Tests.csproj
@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageReference Include="NUnit" Version="3.14.0" />
     <PackageReference Include="NUnit.Console" Version="3.17.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0">
diff --git a/Tests/Opc.Ua.Security.Certificates.Tests/Opc.Ua.Security.Certificates.Tests.csproj b/Tests/Opc.Ua.Security.Certificates.Tests/Opc.Ua.Security.Certificates.Tests.csproj
index 1789dfed94..7bbbbff217 100644
--- a/Tests/Opc.Ua.Security.Certificates.Tests/Opc.Ua.Security.Certificates.Tests.csproj
+++ b/Tests/Opc.Ua.Security.Certificates.Tests/Opc.Ua.Security.Certificates.Tests.csproj
@@ -23,7 +23,7 @@
   </Choose>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageReference Include="NUnit" Version="3.14.0" />
     <PackageReference Include="NUnit.Console" Version="3.17.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0">
diff --git a/Tests/Opc.Ua.Server.Tests/Opc.Ua.Server.Tests.csproj b/Tests/Opc.Ua.Server.Tests/Opc.Ua.Server.Tests.csproj
index caec470a7a..7a55a50ace 100644
--- a/Tests/Opc.Ua.Server.Tests/Opc.Ua.Server.Tests.csproj
+++ b/Tests/Opc.Ua.Server.Tests/Opc.Ua.Server.Tests.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageReference Include="Moq" Version="4.20.70" />
     <PackageReference Include="NUnit" Version="3.14.0" />
     <PackageReference Include="NUnit.Console" Version="3.17.0" />