diff --git a/pkgs/by-name/ro/roslyn-ls/deps.json b/pkgs/by-name/ro/roslyn-ls/deps.json
index 8f4399e026ec..04fc4731bd53 100644
--- a/pkgs/by-name/ro/roslyn-ls/deps.json
+++ b/pkgs/by-name/ro/roslyn-ls/deps.json
@@ -37,9 +37,9 @@
   },
   {
     "pname": "Microsoft.Build",
-    "version": "17.3.4",
-    "hash": "sha256-LHtjk4vxeVSLzAKAcG8BN+S20d2sUR2DAOsSXLNIy5U=",
-    "url": "https://pkgs.dev.azure.com/azure-public/3ccf6661-f8ce-4e8a-bb2e-eff943ddd3c7/_packaging/491596af-6d2d-439e-80bb-1ebb3b54f9a8/nuget/v3/flat2/microsoft.build/17.3.4/microsoft.build.17.3.4.nupkg"
+    "version": "17.11.31",
+    "hash": "sha256-NBn5hn85Q9dG1q09joq0pJsxsZ1m5DBQVJu+Mlx4EGE=",
+    "url": "https://pkgs.dev.azure.com/dnceng/9ee6d478-d288-47f7-aacc-f6e6d082ae6d/_packaging/45bacae2-5efb-47c8-91e5-8ec20c22b4f8/nuget/v3/flat2/microsoft.build/17.11.31/microsoft.build.17.11.31.nupkg"
   },
   {
     "pname": "Microsoft.Build.Framework",
@@ -53,29 +53,23 @@
     "hash": "sha256-Zh78ZPYCj0B5j+lrIBAX0KAZAUWA6ItZ78tYvMDi2oI=",
     "url": "https://pkgs.dev.azure.com/dnceng/9ee6d478-d288-47f7-aacc-f6e6d082ae6d/_packaging/d1622942-d16f-48e5-bc83-96f4539e7601/nuget/v3/flat2/microsoft.build.framework/17.15.0-preview-25353-11/microsoft.build.framework.17.15.0-preview-25353-11.nupkg"
   },
-  {
-    "pname": "Microsoft.Build.Framework",
-    "version": "17.3.4",
-    "hash": "sha256-p2JG7pMBGfDVP6sOzBOqOkImZmwotlGvfS+8BjjVYf8=",
-    "url": "https://pkgs.dev.azure.com/azure-public/3ccf6661-f8ce-4e8a-bb2e-eff943ddd3c7/_packaging/491596af-6d2d-439e-80bb-1ebb3b54f9a8/nuget/v3/flat2/microsoft.build.framework/17.3.4/microsoft.build.framework.17.3.4.nupkg"
-  },
   {
     "pname": "Microsoft.Build.Locator",
-    "version": "1.8.1",
-    "hash": "sha256-q1oZLwPGO+Q/btm3jUzNo37eBziDD/MOXE3LsUSVeA4=",
-    "url": "https://pkgs.dev.azure.com/dnceng/9ee6d478-d288-47f7-aacc-f6e6d082ae6d/_packaging/45bacae2-5efb-47c8-91e5-8ec20c22b4f8/nuget/v3/flat2/microsoft.build.locator/1.8.1/microsoft.build.locator.1.8.1.nupkg"
+    "version": "1.10.2",
+    "hash": "sha256-f/GyCcjeSgT0cD/icTtMDClyyTQOJD5AXNWERIBDPfA=",
+    "url": "https://pkgs.dev.azure.com/dnceng/9ee6d478-d288-47f7-aacc-f6e6d082ae6d/_packaging/45bacae2-5efb-47c8-91e5-8ec20c22b4f8/nuget/v3/flat2/microsoft.build.locator/1.10.2/microsoft.build.locator.1.10.2.nupkg"
   },
   {
     "pname": "Microsoft.Build.Tasks.Core",
-    "version": "17.3.4",
-    "hash": "sha256-0RA95pD6zHBf1lgYyrrAuEuNeGwuCgGxNdhEJ0cJUCs=",
-    "url": "https://pkgs.dev.azure.com/azure-public/3ccf6661-f8ce-4e8a-bb2e-eff943ddd3c7/_packaging/491596af-6d2d-439e-80bb-1ebb3b54f9a8/nuget/v3/flat2/microsoft.build.tasks.core/17.3.4/microsoft.build.tasks.core.17.3.4.nupkg"
+    "version": "17.11.31",
+    "hash": "sha256-5G9ZuP/6XNmR++YyBpQuBKqNsF2FXxz+537TtVWCik8=",
+    "url": "https://pkgs.dev.azure.com/dnceng/9ee6d478-d288-47f7-aacc-f6e6d082ae6d/_packaging/45bacae2-5efb-47c8-91e5-8ec20c22b4f8/nuget/v3/flat2/microsoft.build.tasks.core/17.11.31/microsoft.build.tasks.core.17.11.31.nupkg"
   },
   {
     "pname": "Microsoft.Build.Utilities.Core",
-    "version": "17.3.4",
-    "hash": "sha256-SfZxr5xDANnDnC1HCUgho2H9MnF6n51cM47Rrf07fWw=",
-    "url": "https://pkgs.dev.azure.com/azure-public/3ccf6661-f8ce-4e8a-bb2e-eff943ddd3c7/_packaging/491596af-6d2d-439e-80bb-1ebb3b54f9a8/nuget/v3/flat2/microsoft.build.utilities.core/17.3.4/microsoft.build.utilities.core.17.3.4.nupkg"
+    "version": "17.11.31",
+    "hash": "sha256-AQN2Qi4WbguyZitJR8FTYzq9k0LDyzETFpTA9aQZ4Gw=",
+    "url": "https://pkgs.dev.azure.com/dnceng/9ee6d478-d288-47f7-aacc-f6e6d082ae6d/_packaging/45bacae2-5efb-47c8-91e5-8ec20c22b4f8/nuget/v3/flat2/microsoft.build.utilities.core/17.11.31/microsoft.build.utilities.core.17.11.31.nupkg"
   },
   {
     "pname": "Microsoft.CodeAnalysis.Analyzers",
@@ -133,15 +127,15 @@
   },
   {
     "pname": "Microsoft.DotNet.Arcade.Sdk",
-    "version": "11.0.0-beta.25504.3",
-    "hash": "sha256-UkkFqvq5HLl5EY4nhY4x1FvKj7QVlgC1yz25Juv9cOE=",
-    "url": "https://pkgs.dev.azure.com/dnceng/9ee6d478-d288-47f7-aacc-f6e6d082ae6d/_packaging/1a5f89f6-d8da-4080-b15f-242650c914a8/nuget/v3/flat2/microsoft.dotnet.arcade.sdk/11.0.0-beta.25504.3/microsoft.dotnet.arcade.sdk.11.0.0-beta.25504.3.nupkg"
+    "version": "11.0.0-beta.25531.1",
+    "hash": "sha256-3zAA42msNPkvWe29bOeC44zjJyaFRU+M2+jBti/JTP4=",
+    "url": "https://pkgs.dev.azure.com/dnceng/9ee6d478-d288-47f7-aacc-f6e6d082ae6d/_packaging/1a5f89f6-d8da-4080-b15f-242650c914a8/nuget/v3/flat2/microsoft.dotnet.arcade.sdk/11.0.0-beta.25531.1/microsoft.dotnet.arcade.sdk.11.0.0-beta.25531.1.nupkg"
   },
   {
     "pname": "Microsoft.DotNet.XliffTasks",
-    "version": "11.0.0-beta.25504.3",
-    "hash": "sha256-L4iPZRQHMW+YGda7op4orP87OyuXY5+QlpE/EmMoKd4=",
-    "url": "https://pkgs.dev.azure.com/dnceng/9ee6d478-d288-47f7-aacc-f6e6d082ae6d/_packaging/1a5f89f6-d8da-4080-b15f-242650c914a8/nuget/v3/flat2/microsoft.dotnet.xlifftasks/11.0.0-beta.25504.3/microsoft.dotnet.xlifftasks.11.0.0-beta.25504.3.nupkg"
+    "version": "11.0.0-beta.25531.1",
+    "hash": "sha256-6Ko4aKbQZskfE2B6xg6RZjEd51at6/Pk1OvMRfP6qWQ=",
+    "url": "https://pkgs.dev.azure.com/dnceng/9ee6d478-d288-47f7-aacc-f6e6d082ae6d/_packaging/1a5f89f6-d8da-4080-b15f-242650c914a8/nuget/v3/flat2/microsoft.dotnet.xlifftasks/11.0.0-beta.25531.1/microsoft.dotnet.xlifftasks.11.0.0-beta.25531.1.nupkg"
   },
   {
     "pname": "Microsoft.Extensions.Configuration",
@@ -511,9 +505,9 @@
   },
   {
     "pname": "System.CommandLine",
-    "version": "2.0.0-rc.1.25502.108",
-    "hash": "sha256-O1uciBJ6ig7JWzj/U7N40om77qtBt3fnBkbKSDGJkEU=",
-    "url": "https://pkgs.dev.azure.com/dnceng/9ee6d478-d288-47f7-aacc-f6e6d082ae6d/_packaging/516521bf-6417-457e-9a9c-0a4bdfde03e7/nuget/v3/flat2/system.commandline/2.0.0-rc.1.25502.108/system.commandline.2.0.0-rc.1.25502.108.nupkg"
+    "version": "2.0.0-rc.1.25515.110",
+    "hash": "sha256-kkWn8IJRJjafkB1WSuE0kA0gyce3eGcikK3gKUlEH3g=",
+    "url": "https://pkgs.dev.azure.com/dnceng/9ee6d478-d288-47f7-aacc-f6e6d082ae6d/_packaging/516521bf-6417-457e-9a9c-0a4bdfde03e7/nuget/v3/flat2/system.commandline/2.0.0-rc.1.25515.110/system.commandline.2.0.0-rc.1.25515.110.nupkg"
   },
   {
     "pname": "System.ComponentModel.Composition",
diff --git a/pkgs/by-name/ro/roslyn-ls/force-sdk_8_0.patch b/pkgs/by-name/ro/roslyn-ls/force-sdk_8_0.patch
deleted file mode 100644
index a5f75d015089..000000000000
--- a/pkgs/by-name/ro/roslyn-ls/force-sdk_8_0.patch
+++ /dev/null
@@ -1,46 +0,0 @@
-diff --git a/eng/targets/TargetFrameworks.props b/eng/targets/TargetFrameworks.props
-index 58f90114f4d..8eb23c25067 100644
---- a/eng/targets/TargetFrameworks.props
-+++ b/eng/targets/TargetFrameworks.props
-@@ -17,7 +17,7 @@
-     <NetVS>net8.0</NetVS>
-     <NetVSCode>net8.0</NetVSCode>
-     <NetVSShared>net8.0</NetVSShared>
--    <NetRoslynBuildHostNetCoreVersion>net6.0</NetRoslynBuildHostNetCoreVersion>
-+    <NetRoslynBuildHostNetCoreVersion>net8.0</NetRoslynBuildHostNetCoreVersion>
-     <NetRoslynNext>net9.0</NetRoslynNext>
-   </PropertyGroup>
- 
-diff --git a/src/Workspaces/MSBuild/BuildHost/Microsoft.CodeAnalysis.Workspaces.MSBuild.BuildHost.csproj b/src/Workspaces/MSBuild/BuildHost/Microsoft.CodeAnalysis.Workspaces.MSBuild.BuildHost.csproj
-index 8101f56b8be..1733955dc3d 100644
---- a/src/Workspaces/MSBuild/BuildHost/Microsoft.CodeAnalysis.Workspaces.MSBuild.BuildHost.csproj
-+++ b/src/Workspaces/MSBuild/BuildHost/Microsoft.CodeAnalysis.Workspaces.MSBuild.BuildHost.csproj
-@@ -28,6 +28,12 @@
-     -->
-     <_MsbuildVersion>17.3.4</_MsbuildVersion>
-   </PropertyGroup>
-+  <PropertyGroup>
-+    <_MsbuildFramework>$(TargetFramework)</_MsbuildFramework>
-+  </PropertyGroup>
-+  <PropertyGroup Condition="'$(TargetFramework)' == 'net8.0'">
-+    <_MsbuildFramework>net6.0</_MsbuildFramework>
-+  </PropertyGroup>
-   <ItemGroup Condition="'$(DotNetBuildSourceOnly)' == 'true'">
-     <PackageReference Include="Microsoft.Build" VersionOverride="$(_MsbuildVersion)" ExcludeAssets="Runtime" PrivateAssets="All" />
-     <PackageReference Include="Microsoft.Build.Framework" VersionOverride="$(_MsbuildVersion)" ExcludeAssets="Runtime" />
-@@ -36,10 +42,10 @@
-   </ItemGroup>
-   <ItemGroup Condition="'$(DotNetBuildSourceOnly)' != 'true'">
-     <!-- Reference MSBuild directly to avoid redistributing its package closure and including the dependencies in deps.json file. -->
--    <PackageDownloadAndReference Include="Microsoft.Build" Version="$(_MsbuildVersion)" Folder="ref/$(TargetFramework)" />
--    <PackageDownloadAndReference Include="Microsoft.Build.Framework" Version="$(_MsbuildVersion)" Folder="ref/$(TargetFramework)" />
--    <PackageDownloadAndReference Include="Microsoft.Build.Tasks.Core" Version="$(_MsbuildVersion)" Folder="ref/$(TargetFramework)" />
--    <PackageDownloadAndReference Include="Microsoft.Build.Utilities.Core" Version="$(_MsbuildVersion)" Folder="ref/$(TargetFramework)" />
-+    <PackageDownloadAndReference Include="Microsoft.Build" Version="$(_MsbuildVersion)" Folder="ref/$(_MsbuildFramework)" />
-+    <PackageDownloadAndReference Include="Microsoft.Build.Framework" Version="$(_MsbuildVersion)" Folder="ref/$(_MsbuildFramework)" />
-+    <PackageDownloadAndReference Include="Microsoft.Build.Tasks.Core" Version="$(_MsbuildVersion)" Folder="ref/$(_MsbuildFramework)" />
-+    <PackageDownloadAndReference Include="Microsoft.Build.Utilities.Core" Version="$(_MsbuildVersion)" Folder="ref/$(_MsbuildFramework)" />
-   </ItemGroup>
-   <ItemGroup>
-     <PackageReference Include="Microsoft.Build.Locator" PrivateAssets="All" />
-
diff --git a/pkgs/by-name/ro/roslyn-ls/package.nix b/pkgs/by-name/ro/roslyn-ls/package.nix
index 2b85f11a1927..5176afddde6f 100644
--- a/pkgs/by-name/ro/roslyn-ls/package.nix
+++ b/pkgs/by-name/ro/roslyn-ls/package.nix
@@ -5,7 +5,6 @@
   dotnetCorePackages,
   stdenvNoCC,
   testers,
-  roslyn-ls,
   jq,
   writeText,
   runCommand,
@@ -53,18 +52,18 @@ in
 buildDotnetModule (finalAttrs: rec {
   inherit pname dotnet-sdk dotnet-runtime;
 
-  vsVersion = "2.94.41-prerelease";
+  vsVersion = "2.100.5";
   src = fetchFromGitHub {
     owner = "dotnet";
     repo = "roslyn";
     rev = "VSCode-CSharp-${vsVersion}";
-    hash = "sha256-763RCPnFVn8QK447Ou10/9WDn2apOS1P0p/QQCpRn5s=";
+    hash = "sha256-PXb5BmXPfkitY/Lc2HMhAqX48dXqIYX+I4iFzvnvWTE=";
   };
 
   # versioned independently from vscode-csharp
   # "roslyn" in here:
   # https://github.com/dotnet/vscode-csharp/blob/main/package.json
-  version = "5.1.0-1.25506.3";
+  version = "5.3.0-2.25553.6";
   projectFile = "src/LanguageServer/${project}/${project}.csproj";
   useDotnetFromEnv = true;
   nugetDeps = ./deps.json;
@@ -72,9 +71,6 @@ buildDotnetModule (finalAttrs: rec {
   nativeBuildInputs = [ jq ];
 
   patches = [
-    # until upstream updates net6.0 here:
-    # https://github.com/dotnet/roslyn/blob/6cc106c0eaa9b0ae070dba3138a23aeab9b50c13/eng/targets/TargetFrameworks.props#L20
-    ./force-sdk_8_0.patch
     # until made configurable/and or different location
     # https://github.com/dotnet/roslyn/issues/76892
     ./cachedirectory.patch