diff --git a/Directory.Packages.props b/Directory.Packages.props
index 8996aa322..250fbb4ad 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -47,7 +47,7 @@
          YamlDotNet's major (18.x). -->
     <PackageVersion Include="Vecc.YamlDotNet.Analyzers.StaticGenerator" Version="18.1.0" />
     <PackageVersion Include="GitHub.Copilot.SDK" Version="1.0.14" />
-    <PackageVersion Include="MessagePack" Version="2.5.303" />
+    <PackageVersion Include="MessagePack" Version="2.5.305" />
   </ItemGroup>
 
   <ItemGroup>