diff --git a/src/Spark.Engine.Test/Spark.Engine.Test.csproj b/src/Spark.Engine.Test/Spark.Engine.Test.csproj
index 49706a115..c350d2b97 100644
--- a/src/Spark.Engine.Test/Spark.Engine.Test.csproj
+++ b/src/Spark.Engine.Test/Spark.Engine.Test.csproj
@@ -7,7 +7,7 @@
 
   <ItemGroup>
     <PackageReference Include="EnterpriseLibrary.SemanticLogging.NetCore" Version="2.0.1406.4" />
-    <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="MSTest.TestAdapter" Version="3.2.0" />
     <PackageReference Include="MSTest.TestFramework" Version="3.2.0" />
diff --git a/src/Spark.Mongo.Tests/Spark.Mongo.Tests.csproj b/src/Spark.Mongo.Tests/Spark.Mongo.Tests.csproj
index 9d43916cf..0e24c3cb3 100644
--- a/src/Spark.Mongo.Tests/Spark.Mongo.Tests.csproj
+++ b/src/Spark.Mongo.Tests/Spark.Mongo.Tests.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageReference Include="xunit" Version="2.6.6" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6">
       <PrivateAssets>all</PrivateAssets>