diff --git a/samples/snippets/core/testing/unit-testing-best-practices/csharp/after/unit-testing-best-practices-after.csproj b/samples/snippets/core/testing/unit-testing-best-practices/csharp/after/unit-testing-best-practices-after.csproj
index 4d5da6795c4ec..0c39a5c3c97f6 100644
--- a/samples/snippets/core/testing/unit-testing-best-practices/csharp/after/unit-testing-best-practices-after.csproj
+++ b/samples/snippets/core/testing/unit-testing-best-practices/csharp/after/unit-testing-best-practices-after.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
+    <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" />
   </ItemGroup>
diff --git a/samples/snippets/core/testing/unit-testing-best-practices/csharp/before/unit-testing-best-practices-before.csproj b/samples/snippets/core/testing/unit-testing-best-practices/csharp/before/unit-testing-best-practices-before.csproj
index 4d5da6795c4ec..0c39a5c3c97f6 100644
--- a/samples/snippets/core/testing/unit-testing-best-practices/csharp/before/unit-testing-best-practices-before.csproj
+++ b/samples/snippets/core/testing/unit-testing-best-practices/csharp/before/unit-testing-best-practices-before.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
+    <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" />
   </ItemGroup>