diff --git a/build/DependencyVersions.props b/build/DependencyVersions.props
index 41f4e29a8..054779e42 100644
--- a/build/DependencyVersions.props
+++ b/build/DependencyVersions.props
@@ -75,7 +75,7 @@
 
   <!-- infrastructure and test only dependencies -->
   <PropertyGroup>
-    <VersionToolsVersion>1.0.27-prerelease-01723-01</VersionToolsVersion>
+    <VersionToolsVersion>2.1.0-prerelease-02430-04</VersionToolsVersion>
     <DotnetDebToolVersion>2.0.0-preview2-25331-01</DotnetDebToolVersion>
     <BuildTasksFeedToolVersion>2.1.0-prerelease-02221-02</BuildTasksFeedToolVersion>
   </PropertyGroup>
diff --git a/build_projects/update-dependencies/Config.cs b/build_projects/update-dependencies/Config.cs
index 0bd5a0c6a..75c0d0c81 100644
--- a/build_projects/update-dependencies/Config.cs
+++ b/build_projects/update-dependencies/Config.cs
@@ -39,12 +39,15 @@ namespace Microsoft.DotNet.Scripts
 
         private Lazy<string> _dotNetVersionUrl = new Lazy<string>(() => GetEnvironmentVariable("DOTNET_VERSION_URL", "https://raw.githubusercontent.com/dotnet/versions/master/build-info"));
         private Lazy<string> _coreSetupVersionFragment = new Lazy<string>(() => GetEnvironmentVariable("CORESETUP_VERSION_FRAGMENT", GetDefaultCoreSetupVersionFragment()));
+
+        private Lazy<string> _roslynVersionFragment = new Lazy<string>(() => GetEnvironmentVariable("ROSLYN_VERSION_FRAGMENT"));
         private Lazy<string> _gitHubUpstreamOwner = new Lazy<string>(() => GetEnvironmentVariable("GITHUB_UPSTREAM_OWNER", "dotnet"));
         private Lazy<string> _gitHubProject = new Lazy<string>(() => GetEnvironmentVariable("GITHUB_PROJECT", "cli"));
         private Lazy<string> _gitHubUpstreamBranch = new Lazy<string>(() => GetEnvironmentVariable("GITHUB_UPSTREAM_BRANCH", GetDefaultUpstreamBranch()));
         private Lazy<string[]> _gitHubPullRequestNotifications = new Lazy<string[]>(() =>
                                                 GetEnvironmentVariable("GITHUB_PULL_REQUEST_NOTIFICATIONS", "")
                                                     .Split(new[] { ';' }, StringSplitOptions.RemoveEmptyEntries));
+
         private Config()
         {
         }
@@ -54,6 +57,8 @@ namespace Microsoft.DotNet.Scripts
         public string Password => _password.Value;
         public string DotNetVersionUrl => _dotNetVersionUrl.Value;
         public string CoreSetupVersionFragment => _coreSetupVersionFragment.Value;
+        public string RoslynVersionFragment => _roslynVersionFragment.Value;
+        public bool HasRoslynVersionFragment => !string.IsNullOrEmpty(RoslynVersionFragment);
         public string GitHubUpstreamOwner => _gitHubUpstreamOwner.Value;
         public string GitHubProject => _gitHubProject.Value;
         public string GitHubUpstreamBranch => _gitHubUpstreamBranch.Value;
diff --git a/build_projects/update-dependencies/Program.cs b/build_projects/update-dependencies/Program.cs
index 27926a77c..99b77691e 100644
--- a/build_projects/update-dependencies/Program.cs
+++ b/build_projects/update-dependencies/Program.cs
@@ -4,6 +4,7 @@
 using Microsoft.DotNet.VersionTools;
 using Microsoft.DotNet.VersionTools.Automation;
 using Microsoft.DotNet.VersionTools.Dependencies;
+using Microsoft.DotNet.VersionTools.Dependencies.BuildOutput;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
@@ -27,9 +28,14 @@ namespace Microsoft.DotNet.Scripts
 
             buildInfos.Add(GetBuildInfo("CoreSetup", s_config.CoreSetupVersionFragment, fetchLatestReleaseFile: false));
 
+            if (s_config.HasRoslynVersionFragment)
+            {
+                buildInfos.Add(GetBuildInfo("Roslyn", s_config.RoslynVersionFragment, fetchLatestReleaseFile: false));
+            }
+
             IEnumerable<IDependencyUpdater> updaters = GetUpdaters();
             var dependencyBuildInfos = buildInfos.Select(buildInfo =>
-                new DependencyBuildInfo(
+                new BuildDependencyInfo(
                     buildInfo,
                     upgradeStableVersions: true,
                     disabledPackages: Enumerable.Empty<string>()));
@@ -50,11 +56,14 @@ namespace Microsoft.DotNet.Scripts
                     body += PullRequestCreator.NotificationString(s_config.GitHubPullRequestNotifications);
                 }
 
-                new PullRequestCreator(gitHubAuth, origin, upstreamBranch)
+                new PullRequestCreator(gitHubAuth)
                     .CreateOrUpdateAsync(
                         suggestedMessage,
                         suggestedMessage + $" ({upstreamBranch.Name})",
-                        body)
+                        body,
+                        upstreamBranch,
+                        origin,
+                        new PullRequestOptions())
                     .Wait();
             }
         }
@@ -84,6 +93,11 @@ namespace Microsoft.DotNet.Scripts
             yield return CreateRegexUpdater(dependencyVersionsPath, "MicrosoftNETCoreAppPackageVersion", "Microsoft.NETCore.App");
             yield return CreateRegexUpdater(dependencyVersionsPath, "MicrosoftDotNetPlatformAbstractionsPackageVersion", "Microsoft.DotNet.PlatformAbstractions");
             yield return CreateRegexUpdater(dependencyVersionsPath, "MicrosoftExtensionsDependencyModelPackageVersion", "Microsoft.Extensions.DependencyModel");
+
+            if (s_config.HasRoslynVersionFragment)
+            {
+                yield return CreateRegexUpdater(dependencyVersionsPath, "MicrosoftCodeAnalysisCSharpPackageVersion", "Microsoft.CodeAnalysis.CSharp");
+            }
         }
 
         private static IDependencyUpdater CreateRegexUpdater(string repoRelativePath, string propertyName, string packageId)