diff --git a/src/Benchmarks/Benchmarks.csproj b/src/Benchmarks/Benchmarks.csproj
index 58e6ac8123..416da47695 100644
--- a/src/Benchmarks/Benchmarks.csproj
+++ b/src/Benchmarks/Benchmarks.csproj
@@ -9,7 +9,7 @@
-
+
diff --git a/src/Hl7.Fhir.Base/ElementModel/Types/Ucum.cs b/src/Hl7.Fhir.Base/ElementModel/Types/Ucum.cs
index f16280ddcb..0b61741375 100644
--- a/src/Hl7.Fhir.Base/ElementModel/Types/Ucum.cs
+++ b/src/Hl7.Fhir.Base/ElementModel/Types/Ucum.cs
@@ -100,7 +100,7 @@ internal static bool TryDivide(this Quantity quantity, Quantity divisor, [NotNul
return true;
}
- private static Quantity quantityFromTuple((string value, string unit, string codesystem) quantity)
+ private static Quantity quantityFromTuple((string value, string unit, string? codesystem) quantity)
{
return new Quantity(
decimal.Parse(quantity.value, NumberStyles.Any, CultureInfo.InvariantCulture),
diff --git a/src/Hl7.Fhir.Base/Hl7.Fhir.Base.csproj b/src/Hl7.Fhir.Base/Hl7.Fhir.Base.csproj
index e8830e0036..68ce0f7ad3 100644
--- a/src/Hl7.Fhir.Base/Hl7.Fhir.Base.csproj
+++ b/src/Hl7.Fhir.Base/Hl7.Fhir.Base.csproj
@@ -16,7 +16,7 @@
-
+
diff --git a/src/firely-net-sdk.props b/src/firely-net-sdk.props
index d37e2e5ebf..11e788bb69 100644
--- a/src/firely-net-sdk.props
+++ b/src/firely-net-sdk.props
@@ -29,12 +29,12 @@
-
-
+
+
-
+