diff --git a/src/Moq.Tests.FSharpTypes/Moq.Tests.FSharpTypes.fsproj b/src/Moq.Tests.FSharpTypes/Moq.Tests.FSharpTypes.fsproj
index 49eec4907..7a4c7c03e 100644
--- a/src/Moq.Tests.FSharpTypes/Moq.Tests.FSharpTypes.fsproj
+++ b/src/Moq.Tests.FSharpTypes/Moq.Tests.FSharpTypes.fsproj
@@ -8,7 +8,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.7.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
     <PackageReference Include="System.Net.Http" Version="4.3.4" />
     <PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />
     <PackageReference Include="xunit" Version="2.9.3" />
diff --git a/src/Moq.Tests.VisualBasic/Moq.Tests.VisualBasic.vbproj b/src/Moq.Tests.VisualBasic/Moq.Tests.VisualBasic.vbproj
index 0367039dc..5f25f60f7 100644
--- a/src/Moq.Tests.VisualBasic/Moq.Tests.VisualBasic.vbproj
+++ b/src/Moq.Tests.VisualBasic/Moq.Tests.VisualBasic.vbproj
@@ -8,7 +8,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.7.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
     <PackageReference Include="System.Net.Http" Version="4.3.4" />
     <PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />
     <PackageReference Include="xunit" Version="2.9.3" />
diff --git a/src/Moq.Tests/Moq.Tests.csproj b/src/Moq.Tests/Moq.Tests.csproj
index 101459f25..4cc699c77 100644
--- a/src/Moq.Tests/Moq.Tests.csproj
+++ b/src/Moq.Tests/Moq.Tests.csproj
@@ -26,7 +26,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.7.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
     <PackageReference Include="System.Net.Http" Version="4.3.4" />
     <PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />
     <PackageReference Include="xunit" Version="2.9.3" />