diff --git a/pkgs/by-name/ro/roslyn-ls/deps.json b/pkgs/by-name/ro/roslyn-ls/deps.json
index 891fda20b2a4..88becefb21b4 100644
--- a/pkgs/by-name/ro/roslyn-ls/deps.json
+++ b/pkgs/by-name/ro/roslyn-ls/deps.json
@@ -43,9 +43,9 @@
   },
   {
     "pname": "Microsoft.AspNetCore.Razor.ExternalAccess.RoslynWorkspace",
-    "version": "9.0.0-preview.24555.12",
-    "hash": "sha256-SMOU22F2xZkFM6KRRETeRR79BuVccALMGH+zcgyqq4M=",
-    "url": "https://pkgs.dev.azure.com/dnceng/9ee6d478-d288-47f7-aacc-f6e6d082ae6d/_packaging/d1622942-d16f-48e5-bc83-96f4539e7601/nuget/v3/flat2/microsoft.aspnetcore.razor.externalaccess.roslynworkspace/9.0.0-preview.24555.12/microsoft.aspnetcore.razor.externalaccess.roslynworkspace.9.0.0-preview.24555.12.nupkg"
+    "version": "9.0.0-preview.25064.4",
+    "hash": "sha256-w6gQZ702lMi2lI/9hIKbeaxW4K42YlDkDnGiD5+cgFo=",
+    "url": "https://pkgs.dev.azure.com/dnceng/9ee6d478-d288-47f7-aacc-f6e6d082ae6d/_packaging/d1622942-d16f-48e5-bc83-96f4539e7601/nuget/v3/flat2/microsoft.aspnetcore.razor.externalaccess.roslynworkspace/9.0.0-preview.25064.4/microsoft.aspnetcore.razor.externalaccess.roslynworkspace.9.0.0-preview.25064.4.nupkg"
   },
   {
     "pname": "Microsoft.Bcl.AsyncInterfaces",
@@ -193,9 +193,9 @@
   },
   {
     "pname": "Microsoft.DotNet.Arcade.Sdk",
-    "version": "9.0.0-beta.24572.2",
-    "hash": "sha256-dTYFN1KH3grxcf/On6GLW5WdFliq91Y37DeWDCwiryM=",
-    "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/9.0.0-beta.24572.2/microsoft.dotnet.arcade.sdk.9.0.0-beta.24572.2.nupkg"
+    "version": "9.0.0-beta.25065.2",
+    "hash": "sha256-8LCKwRGoa0plL1IzZzPR8prayboN7gulS4EC6HWL+5E=",
+    "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/9.0.0-beta.25065.2/microsoft.dotnet.arcade.sdk.9.0.0-beta.25065.2.nupkg"
   },
   {
     "pname": "Microsoft.DotNet.XliffTasks",
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
index 21b12177e3d4..a5f75d015089 100644
--- a/pkgs/by-name/ro/roslyn-ls/force-sdk_8_0.patch
+++ b/pkgs/by-name/ro/roslyn-ls/force-sdk_8_0.patch
@@ -1,5 +1,5 @@
 diff --git a/eng/targets/TargetFrameworks.props b/eng/targets/TargetFrameworks.props
-index 2dddaff1560..bc8fd1938d5 100644
+index 58f90114f4d..8eb23c25067 100644
 --- a/eng/targets/TargetFrameworks.props
 +++ b/eng/targets/TargetFrameworks.props
 @@ -17,7 +17,7 @@
@@ -11,10 +11,10 @@ index 2dddaff1560..bc8fd1938d5 100644
      <NetRoslynNext>net9.0</NetRoslynNext>
    </PropertyGroup>
  
-diff --git a/src/Workspaces/Core/MSBuild.BuildHost/Microsoft.CodeAnalysis.Workspaces.MSBuild.BuildHost.csproj b/src/Workspaces/Core/MSBuild.BuildHost/Microsoft.CodeAnalysis.Workspaces.MSBuild.BuildHost.csproj
+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/Core/MSBuild.BuildHost/Microsoft.CodeAnalysis.Workspaces.MSBuild.BuildHost.csproj
-+++ b/src/Workspaces/Core/MSBuild.BuildHost/Microsoft.CodeAnalysis.Workspaces.MSBuild.BuildHost.csproj
+--- 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>
@@ -43,3 +43,4 @@ index 8101f56b8be..1733955dc3d 100644
    </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 689b7002afe0..c690ac2f465e 100644
--- a/pkgs/by-name/ro/roslyn-ls/package.nix
+++ b/pkgs/by-name/ro/roslyn-ls/package.nix
@@ -32,18 +32,18 @@ in
 buildDotnetModule rec {
   inherit pname dotnet-sdk dotnet-runtime;
 
-  vsVersion = "2.62.18";
+  vsVersion = "2.64.7";
   src = fetchFromGitHub {
     owner = "dotnet";
     repo = "roslyn";
     rev = "VSCode-CSharp-${vsVersion}";
-    hash = "sha256-oy1xYM6Kd/8uAQQdvsxLNkycs9OOs7SEe+dzYc4RMeM=";
+    hash = "sha256-HWcVb2vpZxZWSxvWYRc91iUNaNGYDGEgKzHtD3yoyXs=";
   };
 
   # versioned independently from vscode-csharp
   # "roslyn" in here:
   # https://github.com/dotnet/vscode-csharp/blob/main/package.json
-  version = "4.14.0-1.25060.2";
+  version = "4.14.0-1.25074.7";
   projectFile = "src/LanguageServer/${project}/${project}.csproj";
   useDotnetFromEnv = true;
   nugetDeps = ./deps.json;