diff --git a/src/Daqifi.Core/Daqifi.Core.csproj b/src/Daqifi.Core/Daqifi.Core.csproj
index d987034..e2f820a 100644
--- a/src/Daqifi.Core/Daqifi.Core.csproj
+++ b/src/Daqifi.Core/Daqifi.Core.csproj
@@ -27,7 +27,7 @@
 
   <ItemGroup>
     <None Include="../../README.md" Pack="true" PackagePath="/" />
-    <PackageReference Include="Google.Protobuf" Version="3.33.4" />
+    <PackageReference Include="Google.Protobuf" Version="3.33.5" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="10.0.102" PrivateAssets="All"/>
     <PackageReference Include="System.IO.Ports" Version="10.0.2" />
   </ItemGroup>