diff --git a/fvim.fsproj b/fvim.fsproj
index 0b045ce..ab6e415 100644
--- a/fvim.fsproj
+++ b/fvim.fsproj
@@ -90,7 +90,7 @@
     </PackageReference>
     <PackageReference Include="HarfBuzzSharp" Version="1.4.6.2" />
     <PackageReference Include="HarfBuzzSharp.NativeAssets.Linux" Version="1.4.6.2" />
-    <PackageReference Include="MessagePack" Version="1.7.3.7" />
+    <PackageReference Include="MessagePack" Version="1.9.3" />
     <PackageReference Include="MessagePack.FSharpExtensions" Version="1.4.1" />
     <PackageReference Include="MessagePack.ImmutableCollection" Version="1.7.3.7" />
     <PackageReference Include="Microsoft.Win32.Registry" Version="4.5.0" />