diff --git a/Directory.Packages.props b/Directory.Packages.props
index bd842a6..b052af8 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -32,7 +32,7 @@
          consumer of the analyzers can be on. Raising it raises that floor. -->
     <PackageVersion Include="Microsoft.CodeAnalysis.Analyzers" Version="5.9.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.Common" Version="5.0.0" />
-    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="5.0.0" />
+    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="5.9.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.10.1" />
     <PackageVersion Include="Microsoft.OpenApi" Version="1.6.31" />
     <PackageVersion Include="Microsoft.OpenApi.Readers" Version="1.6.31" />
@@ -44,7 +44,7 @@
          runtime failure rather than a build error. See .github/dependabot.yml. -->
     <PackageVersion Include="SharpYaml" Version="2.1.5" />
     <PackageVersion Include="System.Buffers" Version="4.6.1" />
-    <PackageVersion Include="System.Collections.Immutable" Version="10.0.12" />
+    <PackageVersion Include="System.Collections.Immutable" Version="10.0.14" />
     <PackageVersion Include="System.Memory" Version="4.6.3" />
     <PackageVersion Include="System.Net.Http" Version="4.3.4" />
     <PackageVersion Include="System.Runtime.CompilerServices.Unsafe" Version="6.1.2" />