diff --git a/CHANGELOG.md b/CHANGELOG.md
index f181c786c4..9a29918e36 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Bumps `Octokit` from 7.1.0 to 9.0.0
 - Bumps `FSharp.Core` from 7.0.400 to 7.0.401
 - Bumps `xunit` from 2.4.2 to 2.6.1
+- Bumps `Microsoft.TestPlatform.ObjectModel` from 17.7.2 to 17.8.0
 
 ## [1.5.0]
 ### Fixed
@@ -98,4 +99,4 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 [Unreleased]: https://github.com/opensearch-project/opensearch-net/compare/v1.5.0...1.x
 [1.5.0]: https://github.com/opensearch-project/opensearch-net/compare/v1.4.0...v1.5.0
 [1.4.0]: https://github.com/opensearch-project/opensearch-net/compare/v1.3.0...v1.4.0
-[1.3.0]: https://github.com/opensearch-project/opensearch-net/compare/v1.2.0...v1.3.0
\ No newline at end of file
+[1.3.0]: https://github.com/opensearch-project/opensearch-net/compare/v1.2.0...v1.3.0
diff --git a/tests/Tests.Core/Tests.Core.csproj b/tests/Tests.Core/Tests.Core.csproj
index 3243ce950d..bc1e7ff949 100644
--- a/tests/Tests.Core/Tests.Core.csproj
+++ b/tests/Tests.Core/Tests.Core.csproj
@@ -13,7 +13,7 @@
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="$(SolutionRoot)\tests\Tests.Domain\Tests.Domain.csproj" />
-    <PackageReference Include="Microsoft.TestPlatform.ObjectModel" Version="17.7.2" />
+    <PackageReference Include="Microsoft.TestPlatform.ObjectModel" Version="17.8.0" />
     
     <PackageReference Include="xunit" Version="2.6.1" />
     <ProjectReference Include="$(SolutionRoot)\abstractions\src\OpenSearch.OpenSearch.Xunit\OpenSearch.OpenSearch.Xunit.csproj" />