diff --git a/Directory.Packages.props b/Directory.Packages.props
index 2af6a6cd..f3005ca1 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -27,7 +27,7 @@
     <PackageVersion Include="Microsoft.VisualStudio.Threading.Only" Version="$(VisualStudioThreadingVersion)" />
     <PackageVersion Include="Microsoft.VisualStudio.Threading" Version="$(VisualStudioThreadingVersion)" />
     <PackageVersion Include="Microsoft.VisualStudio.Validation" Version="17.13.22" />
-    <PackageVersion Include="Nerdbank.MessagePack" Version="1.2.4" />
+    <PackageVersion Include="Nerdbank.MessagePack" Version="1.2.34" />
     <PackageVersion Include="Nerdbank.Streams" Version="2.13.16" />
     <PackageVersion Include="Newtonsoft.Json" Version="13.0.4" />
     <PackageVersion Include="System.Collections.Immutable" Version="8.0.0" />