diff --git a/services/Archival/FilterLists.Archival.Api/FilterLists.Archival.Api.csproj b/services/Archival/FilterLists.Archival.Api/FilterLists.Archival.Api.csproj
index c940621d9..00b16aa65 100644
--- a/services/Archival/FilterLists.Archival.Api/FilterLists.Archival.Api.csproj
+++ b/services/Archival/FilterLists.Archival.Api/FilterLists.Archival.Api.csproj
@@ -19,6 +19,10 @@
         <PackageProjectUrl>https://filterlists.com</PackageProjectUrl>
     </PropertyGroup>
 
+    <ItemGroup>
+        <RuntimeHostConfigurationOption Include="System.Globalization.Invariant" Value="true" />
+    </ItemGroup>
+
     <ItemGroup>
         <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="3.3.0">
             <PrivateAssets>all</PrivateAssets>
diff --git a/services/Directory/FilterLists.Directory.Api/FilterLists.Directory.Api.csproj b/services/Directory/FilterLists.Directory.Api/FilterLists.Directory.Api.csproj
index 7652e5aa1..3607c480e 100644
--- a/services/Directory/FilterLists.Directory.Api/FilterLists.Directory.Api.csproj
+++ b/services/Directory/FilterLists.Directory.Api/FilterLists.Directory.Api.csproj
@@ -19,6 +19,10 @@
         <PackageProjectUrl>https://filterlists.com</PackageProjectUrl>
     </PropertyGroup>
 
+    <ItemGroup>
+        <RuntimeHostConfigurationOption Include="System.Globalization.Invariant" Value="true" />
+    </ItemGroup>
+
     <ItemGroup>
         <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="3.3.0">
             <PrivateAssets>all</PrivateAssets>