diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0cdda0ffd5..70eb5f736e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -23,7 +23,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Fixed naming of `ClusterManagerTimeout` and `MasterTimeout` properties from `*TimeSpanout` in the low-level client ([#332](https://github.com/opensearch-project/opensearch-net/pull/332))
 
 ### Dependencies
-- Bumps `AWSSDK.Core` from 3.7.204.12 to 3.7.400.2
+- Bumps `AWSSDK.Core` from 3.7.204.12 to 3.7.400.4
 - Bumps `Bogus` from 35.3.0 to 35.6.0
 - Bumps `xunit` from 2.7.1 to 2.8.0
 - Bumps `FSharp.Core` from 8.0.100 to 8.0.301
diff --git a/src/OpenSearch.Net.Auth.AwsSigV4/OpenSearch.Net.Auth.AwsSigV4.csproj b/src/OpenSearch.Net.Auth.AwsSigV4/OpenSearch.Net.Auth.AwsSigV4.csproj
index a430c5da80..cb0c9af45c 100644
--- a/src/OpenSearch.Net.Auth.AwsSigV4/OpenSearch.Net.Auth.AwsSigV4.csproj
+++ b/src/OpenSearch.Net.Auth.AwsSigV4/OpenSearch.Net.Auth.AwsSigV4.csproj
@@ -20,6 +20,6 @@
     <ProjectReference Include="$(SolutionRoot)\src\OpenSearch.Net\OpenSearch.Net.csproj" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="AWSSDK.Core" Version="3.7.400.2" />
+    <PackageReference Include="AWSSDK.Core" Version="3.7.400.4" />
   </ItemGroup>
 </Project>