diff --git a/SabreTools.Serialization/SabreTools.Serialization.csproj b/SabreTools.Serialization/SabreTools.Serialization.csproj
index f465b450..99506fc0 100644
--- a/SabreTools.Serialization/SabreTools.Serialization.csproj
+++ b/SabreTools.Serialization/SabreTools.Serialization.csproj
@@ -15,6 +15,7 @@
         <SymbolPackageFormat>snupkg</SymbolPackageFormat>
         <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
         <Version>2.0.1</Version>
+        <WarningsNotAsErrors>NU5104</WarningsNotAsErrors>
 
         <!-- Package Properties -->
         <Authors>Matt Nadareski</Authors>