diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2806af0234..003f1725ba 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -27,7 +27,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - 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
+- Bumps `FSharp.Core` from 8.0.100 to 8.0.400
 - Bumps `xunit.runner.visualstudio` from 2.5.8 to 2.8.2
 - Bumps `CSharpier.Core` from 0.27.3 to 0.29.0
 - Bumps `System.Diagnostics.DiagnosticSource` from 8.0.0 to 8.0.1
diff --git a/build/scripts/scripts.fsproj b/build/scripts/scripts.fsproj
index 2ca6a7c8ba..99dc800587 100644
--- a/build/scripts/scripts.fsproj
+++ b/build/scripts/scripts.fsproj
@@ -32,7 +32,7 @@
     <Content Include="..\..\.github\license-header-fs.txt"><Link>license-header-fs.txt</Link></Content>
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Update="FSharp.Core" Version="8.0.301" />
+    <PackageReference Update="FSharp.Core" Version="8.0.400" />
 
     <PackageReference Include="Bullseye" Version="5.0.0" />
     <ProjectReference Include="$(SolutionRoot)\abstractions\src\OpenSearch.OpenSearch.Managed\OpenSearch.OpenSearch.Managed.csproj" />
diff --git a/tests/Tests.YamlRunner/Tests.YamlRunner.fsproj b/tests/Tests.YamlRunner/Tests.YamlRunner.fsproj
index 205468d19b..f0b893055d 100644
--- a/tests/Tests.YamlRunner/Tests.YamlRunner.fsproj
+++ b/tests/Tests.YamlRunner/Tests.YamlRunner.fsproj
@@ -29,7 +29,7 @@
   </ItemGroup>
  
   <ItemGroup>
-    <PackageReference Update="FSharp.Core" Version="8.0.301" />
+    <PackageReference Update="FSharp.Core" Version="8.0.400" />
     
     <PackageReference Include="Argu" Version="6.2.4" />
     <PackageReference Include="FSharp.Data" Version="6.4.0" />
diff --git a/tests/Tests/Tests.csproj b/tests/Tests/Tests.csproj
index 123f00fbb6..749aebda19 100644
--- a/tests/Tests/Tests.csproj
+++ b/tests/Tests/Tests.csproj
@@ -16,7 +16,7 @@
   <ItemGroup>
     <ProjectReference Include="$(SolutionRoot)\tests\Tests.Core\Tests.Core.csproj" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
-    <PackageReference Include="FSharp.Core" Version="8.0.301" />
+    <PackageReference Include="FSharp.Core" Version="8.0.400" />
     <PackageReference Include="System.Reactive" Version="6.0.1" />
     <PackageReference Include="SemanticVersioning" Version="2.0.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />