diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 173acd84c50cc..b7a1cb786505d 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -358,18 +358,18 @@
       <Uri>https://github.com/dotnet/runtime-assets</Uri>
       <Sha>b7d8e946c831e79435054f65e49c2eebb74b55c6</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Net.Compilers.Toolset" Version="4.9.0-1.23506.7">
+    <Dependency Name="Microsoft.Net.Compilers.Toolset" Version="4.9.0-1.23517.15">
       <Uri>https://github.com/dotnet/roslyn</Uri>
-      <Sha>0caa880a161057559d1dcaad890e4053f520136e</Sha>
+      <Sha>15a20bbe5c84ea6a800df0803b4ee00f289646a2</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis" Version="4.9.0-1.23506.7">
+    <Dependency Name="Microsoft.CodeAnalysis" Version="4.9.0-1.23517.15">
       <Uri>https://github.com/dotnet/roslyn</Uri>
-      <Sha>0caa880a161057559d1dcaad890e4053f520136e</Sha>
+      <Sha>15a20bbe5c84ea6a800df0803b4ee00f289646a2</Sha>
       <SourceBuild RepoName="roslyn" ManagedOnly="true" />
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis.CSharp" Version="4.9.0-1.23506.7">
+    <Dependency Name="Microsoft.CodeAnalysis.CSharp" Version="4.9.0-1.23517.15">
       <Uri>https://github.com/dotnet/roslyn</Uri>
-      <Sha>0caa880a161057559d1dcaad890e4053f520136e</Sha>
+      <Sha>15a20bbe5c84ea6a800df0803b4ee00f289646a2</Sha>
     </Dependency>
     <Dependency Name="Microsoft.CodeAnalysis.Analyzers" Version="3.11.0-beta1.23505.1">
       <Uri>https://github.com/dotnet/roslyn-analyzers</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index 665b464090b3c..2339d9480b5a1 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -39,9 +39,9 @@
       Any tools that contribute to the design-time experience should use the MicrosoftCodeAnalysisVersion_LatestVS property above to ensure
       they do not break the local dev experience.
     -->
-    <MicrosoftCodeAnalysisCSharpVersion>4.9.0-1.23506.7</MicrosoftCodeAnalysisCSharpVersion>
-    <MicrosoftCodeAnalysisVersion>4.9.0-1.23506.7</MicrosoftCodeAnalysisVersion>
-    <MicrosoftNetCompilersToolsetVersion>4.9.0-1.23506.7</MicrosoftNetCompilersToolsetVersion>
+    <MicrosoftCodeAnalysisCSharpVersion>4.9.0-1.23517.15</MicrosoftCodeAnalysisCSharpVersion>
+    <MicrosoftCodeAnalysisVersion>4.9.0-1.23517.15</MicrosoftCodeAnalysisVersion>
+    <MicrosoftNetCompilersToolsetVersion>4.9.0-1.23517.15</MicrosoftNetCompilersToolsetVersion>
   </PropertyGroup>
   <!--
     For source generator support we need to target multiple versions of Roslyn in order to be able to run on older versions of Roslyn.