diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 6c0b7dadb4b2..e6499254d8e9 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -97,47 +97,47 @@
       <Sha>7abe97c385a57f3d43941c50259e24cd90997156</Sha>
       <SourceBuild RepoName="fsharp" ManagedOnly="true" />
     </Dependency>
-    <Dependency Name="Microsoft.Net.Compilers.Toolset" Version="4.14.0-1.25070.2">
+    <Dependency Name="Microsoft.Net.Compilers.Toolset" Version="4.14.0-2.25081.4">
       <Uri>https://github.com/dotnet/roslyn</Uri>
-      <Sha>6908aead3a8b313798c381d5e435e9e6068301a7</Sha>
+      <Sha>b5e48cce69950f6f8cf8b6c6919cddf4c03a2f48</Sha>
     </Dependency>
     <!-- Intermediate is necessary for source build. -->
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.roslyn" Version="4.14.0-1.25070.2">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.roslyn" Version="4.14.0-2.25081.4">
       <Uri>https://github.com/dotnet/roslyn</Uri>
-      <Sha>6908aead3a8b313798c381d5e435e9e6068301a7</Sha>
+      <Sha>b5e48cce69950f6f8cf8b6c6919cddf4c03a2f48</Sha>
       <SourceBuild RepoName="roslyn" ManagedOnly="true" />
     </Dependency>
-    <Dependency Name="Microsoft.Net.Compilers.Toolset.Framework" Version="4.14.0-1.25070.2">
+    <Dependency Name="Microsoft.Net.Compilers.Toolset.Framework" Version="4.14.0-2.25081.4">
       <Uri>https://github.com/dotnet/roslyn</Uri>
-      <Sha>6908aead3a8b313798c381d5e435e9e6068301a7</Sha>
+      <Sha>b5e48cce69950f6f8cf8b6c6919cddf4c03a2f48</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis" Version="4.14.0-1.25070.2">
+    <Dependency Name="Microsoft.CodeAnalysis" Version="4.14.0-2.25081.4">
       <Uri>https://github.com/dotnet/roslyn</Uri>
-      <Sha>6908aead3a8b313798c381d5e435e9e6068301a7</Sha>
+      <Sha>b5e48cce69950f6f8cf8b6c6919cddf4c03a2f48</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis.CSharp" Version="4.14.0-1.25070.2">
+    <Dependency Name="Microsoft.CodeAnalysis.CSharp" Version="4.14.0-2.25081.4">
       <Uri>https://github.com/dotnet/roslyn</Uri>
-      <Sha>6908aead3a8b313798c381d5e435e9e6068301a7</Sha>
+      <Sha>b5e48cce69950f6f8cf8b6c6919cddf4c03a2f48</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis.CSharp.CodeStyle" Version="4.14.0-1.25070.2">
+    <Dependency Name="Microsoft.CodeAnalysis.CSharp.CodeStyle" Version="4.14.0-2.25081.4">
       <Uri>https://github.com/dotnet/roslyn</Uri>
-      <Sha>6908aead3a8b313798c381d5e435e9e6068301a7</Sha>
+      <Sha>b5e48cce69950f6f8cf8b6c6919cddf4c03a2f48</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis.CSharp.Features" Version="4.14.0-1.25070.2">
+    <Dependency Name="Microsoft.CodeAnalysis.CSharp.Features" Version="4.14.0-2.25081.4">
       <Uri>https://github.com/dotnet/roslyn</Uri>
-      <Sha>6908aead3a8b313798c381d5e435e9e6068301a7</Sha>
+      <Sha>b5e48cce69950f6f8cf8b6c6919cddf4c03a2f48</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.14.0-1.25070.2">
+    <Dependency Name="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.14.0-2.25081.4">
       <Uri>https://github.com/dotnet/roslyn</Uri>
-      <Sha>6908aead3a8b313798c381d5e435e9e6068301a7</Sha>
+      <Sha>b5e48cce69950f6f8cf8b6c6919cddf4c03a2f48</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis.Workspaces.Common" Version="4.14.0-1.25070.2">
+    <Dependency Name="Microsoft.CodeAnalysis.Workspaces.Common" Version="4.14.0-2.25081.4">
       <Uri>https://github.com/dotnet/roslyn</Uri>
-      <Sha>6908aead3a8b313798c381d5e435e9e6068301a7</Sha>
+      <Sha>b5e48cce69950f6f8cf8b6c6919cddf4c03a2f48</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis.Workspaces.MSBuild" Version="4.14.0-1.25070.2">
+    <Dependency Name="Microsoft.CodeAnalysis.Workspaces.MSBuild" Version="4.14.0-2.25081.4">
       <Uri>https://github.com/dotnet/roslyn</Uri>
-      <Sha>6908aead3a8b313798c381d5e435e9e6068301a7</Sha>
+      <Sha>b5e48cce69950f6f8cf8b6c6919cddf4c03a2f48</Sha>
     </Dependency>
     <Dependency Name="Microsoft.AspNetCore.DeveloperCertificates.XPlat" Version="10.0.0-alpha.2.25073.4">
       <Uri>https://github.com/dotnet/aspnetcore</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index c036bea9993c..e10c89dca36b 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -213,15 +213,15 @@
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependencies from https://github.com/dotnet/roslyn -->
-    <MicrosoftNetCompilersToolsetVersion>4.14.0-1.25070.2</MicrosoftNetCompilersToolsetVersion>
-    <MicrosoftNetCompilersToolsetFrameworkPackageVersion>4.14.0-1.25070.2</MicrosoftNetCompilersToolsetFrameworkPackageVersion>
-    <MicrosoftCodeAnalysisPackageVersion>4.14.0-1.25070.2</MicrosoftCodeAnalysisPackageVersion>
-    <MicrosoftCodeAnalysisCSharpPackageVersion>4.14.0-1.25070.2</MicrosoftCodeAnalysisCSharpPackageVersion>
-    <MicrosoftCodeAnalysisCSharpCodeStylePackageVersion>4.14.0-1.25070.2</MicrosoftCodeAnalysisCSharpCodeStylePackageVersion>
-    <MicrosoftCodeAnalysisCSharpFeaturesPackageVersion>4.14.0-1.25070.2</MicrosoftCodeAnalysisCSharpFeaturesPackageVersion>
-    <MicrosoftCodeAnalysisWorkspacesCommonPackageVersion>4.14.0-1.25070.2</MicrosoftCodeAnalysisWorkspacesCommonPackageVersion>
-    <MicrosoftCodeAnalysisWorkspacesMSBuildPackageVersion>4.14.0-1.25070.2</MicrosoftCodeAnalysisWorkspacesMSBuildPackageVersion>
-    <MicrosoftCodeAnalysisCSharpWorkspacesPackageVersion>4.14.0-1.25070.2</MicrosoftCodeAnalysisCSharpWorkspacesPackageVersion>
+    <MicrosoftNetCompilersToolsetVersion>4.14.0-2.25081.4</MicrosoftNetCompilersToolsetVersion>
+    <MicrosoftNetCompilersToolsetFrameworkPackageVersion>4.14.0-2.25081.4</MicrosoftNetCompilersToolsetFrameworkPackageVersion>
+    <MicrosoftCodeAnalysisPackageVersion>4.14.0-2.25081.4</MicrosoftCodeAnalysisPackageVersion>
+    <MicrosoftCodeAnalysisCSharpPackageVersion>4.14.0-2.25081.4</MicrosoftCodeAnalysisCSharpPackageVersion>
+    <MicrosoftCodeAnalysisCSharpCodeStylePackageVersion>4.14.0-2.25081.4</MicrosoftCodeAnalysisCSharpCodeStylePackageVersion>
+    <MicrosoftCodeAnalysisCSharpFeaturesPackageVersion>4.14.0-2.25081.4</MicrosoftCodeAnalysisCSharpFeaturesPackageVersion>
+    <MicrosoftCodeAnalysisWorkspacesCommonPackageVersion>4.14.0-2.25081.4</MicrosoftCodeAnalysisWorkspacesCommonPackageVersion>
+    <MicrosoftCodeAnalysisWorkspacesMSBuildPackageVersion>4.14.0-2.25081.4</MicrosoftCodeAnalysisWorkspacesMSBuildPackageVersion>
+    <MicrosoftCodeAnalysisCSharpWorkspacesPackageVersion>4.14.0-2.25081.4</MicrosoftCodeAnalysisCSharpWorkspacesPackageVersion>
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependencies from https://github.com/aspnet/AspNetCore -->
diff --git a/src/SourceBuild/patches/roslyn/0001-Use-BaseOS-instead-of-TargetRid-when-its-available.patch b/src/SourceBuild/patches/roslyn/0001-Use-BaseOS-instead-of-TargetRid-when-its-available.patch
deleted file mode 100644
index cf2d19f1ce75..000000000000
--- a/src/SourceBuild/patches/roslyn/0001-Use-BaseOS-instead-of-TargetRid-when-its-available.patch
+++ /dev/null
@@ -1,34 +0,0 @@
-From fe7b6d17a00a69b6bb8cb25d640af56f74a60032 Mon Sep 17 00:00:00 2001
-From: Jeremy Koritzinsky <jekoritz@microsoft.com>
-Date: Tue, 21 Jan 2025 11:31:58 -0800
-Subject: [PATCH] Use BaseOS instead of TargetRid when its available.
-
-In Source Build, BaseOS is the portable runtime identifier for TargetRid.
-
-Backport: https://github.com/dotnet/roslyn/pull/76838
-
----
- .../Microsoft.CodeAnalysis.LanguageServer.csproj           | 7 ++++---
- 1 file changed, 4 insertions(+), 3 deletions(-)
-
-diff --git a/src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/Microsoft.CodeAnalysis.LanguageServer.csproj b/src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/Microsoft.CodeAnalysis.LanguageServer.csproj
-index 9b556fcdb8f..a76305b4a29 100644
---- a/src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/Microsoft.CodeAnalysis.LanguageServer.csproj
-+++ b/src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/Microsoft.CodeAnalysis.LanguageServer.csproj
-@@ -45,12 +45,13 @@
-     <PublishDir Condition="'$(RuntimeIdentifier)' == ''">$(ArtifactsDir)/LanguageServer/$(Configuration)/$(TargetFramework)/neutral</PublishDir>
- 
-     <!-- List of runtime identifiers that we want to publish an executable for. -->
--    <!-- When building a VMR vertical, we don't need to pack everything. Just pack the passed in TargetRid.
--         TargetRid is provided to roslyn via the build arguments passed in the VMR orchestrator's repo project.
-+    <!-- When building a VMR vertical, we don't need to pack everything. Just pack the passed in TargetRid or BaseOS.
-+         TargetRid and BaseOS are provided to roslyn via the build arguments passed in the VMR orchestrator's repo project.
-          https://github.com/dotnet/dotnet/blob/main/repo-projects/roslyn.proj. For definitions of the TargetRid
-          and other common properties, see https://github.com/dotnet/arcade/blob/main/Documentation/UnifiedBuild/Unified-Build-Controls.md -->
-     <RuntimeIdentifiers Condition="'$(TargetRid)' != ''">$(TargetRid)</RuntimeIdentifiers>
--    <RuntimeIdentifiers Condition="'$(TargetRid)' == ''">win-x64;win-arm64;linux-x64;linux-arm64;linux-musl-x64;linux-musl-arm64;osx-x64;osx-arm64</RuntimeIdentifiers>
-+    <RuntimeIdentifiers Condition="'$(BaseOS)' != ''">$(BaseOS)</RuntimeIdentifiers>
-+    <RuntimeIdentifiers Condition="'$(TargetRid)' == '' and '$(BaseOS)' == ''">win-x64;win-arm64;linux-x64;linux-arm64;linux-musl-x64;linux-musl-arm64;osx-x64;osx-arm64</RuntimeIdentifiers>
-     <!-- Publish ready to run executables when we're publishing platform specific executables. -->
-     <PublishReadyToRun Condition="'$(RuntimeIdentifier)' != '' AND '$(Configuration)' == 'Release' ">true</PublishReadyToRun>
-   </PropertyGroup>