diff --git a/avrotize/dependencies/cs/net100/dependencies.csproj b/avrotize/dependencies/cs/net100/dependencies.csproj
index a677d9ac..9603e37e 100644
--- a/avrotize/dependencies/cs/net100/dependencies.csproj
+++ b/avrotize/dependencies/cs/net100/dependencies.csproj
@@ -17,7 +17,7 @@
         <PackageReference Include="System.Text.Json" Version="10.0.8" />
         <PackageReference Include="System.Memory.Data" Version="10.0.8" />
         <PackageReference Include="protobuf-net" Version="3.2.56" />
-        <PackageReference Include="MessagePack" Version="3.1.6" />
+        <PackageReference Include="MessagePack" Version="3.1.8" />
         <PackageReference Include="Dahomey.Cbor" Version="1.26.3" />
     </ItemGroup>