diff --git a/src/Hl7.Fhir.Specification.R4.Tests/Hl7.Fhir.Specification.R4.Tests.csproj b/src/Hl7.Fhir.Specification.R4.Tests/Hl7.Fhir.Specification.R4.Tests.csproj
index db43403dbd..f2e3c2eb7f 100644
--- a/src/Hl7.Fhir.Specification.R4.Tests/Hl7.Fhir.Specification.R4.Tests.csproj
+++ b/src/Hl7.Fhir.Specification.R4.Tests/Hl7.Fhir.Specification.R4.Tests.csproj
@@ -16,7 +16,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-		<PackageReference Include="System.Threading.Tasks.Dataflow" Version="9.0.2" />
+		<PackageReference Include="System.Threading.Tasks.Dataflow" Version="9.0.3" />
 	</ItemGroup>
 
 	<ItemGroup>
diff --git a/src/Hl7.Fhir.Specification.R4B.Tests/Hl7.Fhir.Specification.R4B.Tests.csproj b/src/Hl7.Fhir.Specification.R4B.Tests/Hl7.Fhir.Specification.R4B.Tests.csproj
index 6bf05d7611..1c60404724 100644
--- a/src/Hl7.Fhir.Specification.R4B.Tests/Hl7.Fhir.Specification.R4B.Tests.csproj
+++ b/src/Hl7.Fhir.Specification.R4B.Tests/Hl7.Fhir.Specification.R4B.Tests.csproj
@@ -16,7 +16,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-		<PackageReference Include="System.Threading.Tasks.Dataflow" Version="9.0.2" />
+		<PackageReference Include="System.Threading.Tasks.Dataflow" Version="9.0.3" />
 	</ItemGroup>
 
 	<ItemGroup>
diff --git a/src/Hl7.Fhir.Specification.R5.Tests/Hl7.Fhir.Specification.R5.Tests.csproj b/src/Hl7.Fhir.Specification.R5.Tests/Hl7.Fhir.Specification.R5.Tests.csproj
index c4b9f2c8ff..088d991c3e 100644
--- a/src/Hl7.Fhir.Specification.R5.Tests/Hl7.Fhir.Specification.R5.Tests.csproj
+++ b/src/Hl7.Fhir.Specification.R5.Tests/Hl7.Fhir.Specification.R5.Tests.csproj
@@ -21,7 +21,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-		<PackageReference Include="System.Threading.Tasks.Dataflow" Version="9.0.2" />
+		<PackageReference Include="System.Threading.Tasks.Dataflow" Version="9.0.3" />
 	</ItemGroup>
 
 	<ItemGroup>
diff --git a/src/Hl7.Fhir.Support.Tests/Hl7.Fhir.Support.Tests.csproj b/src/Hl7.Fhir.Support.Tests/Hl7.Fhir.Support.Tests.csproj
index 1e3a723472..0aa9e448a7 100644
--- a/src/Hl7.Fhir.Support.Tests/Hl7.Fhir.Support.Tests.csproj
+++ b/src/Hl7.Fhir.Support.Tests/Hl7.Fhir.Support.Tests.csproj
@@ -8,7 +8,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-		<PackageReference Include="System.Threading.Tasks.Dataflow" Version="9.0.2" />
+		<PackageReference Include="System.Threading.Tasks.Dataflow" Version="9.0.3" />
 	</ItemGroup>
 	
 	<ItemGroup>
diff --git a/src/Hl7.FhirPath.R4.Tests/Hl7.FhirPath.R4.Tests.csproj b/src/Hl7.FhirPath.R4.Tests/Hl7.FhirPath.R4.Tests.csproj
index 85a7fae0d8..26ac26bca3 100644
--- a/src/Hl7.FhirPath.R4.Tests/Hl7.FhirPath.R4.Tests.csproj
+++ b/src/Hl7.FhirPath.R4.Tests/Hl7.FhirPath.R4.Tests.csproj
@@ -21,7 +21,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-		<PackageReference Include="System.Threading.Tasks.Dataflow" Version="9.0.2" />
+		<PackageReference Include="System.Threading.Tasks.Dataflow" Version="9.0.3" />
 	</ItemGroup>
 
 </Project>
\ No newline at end of file
diff --git a/src/Hl7.FhirPath.Tests/HL7.FhirPath.Tests.csproj b/src/Hl7.FhirPath.Tests/HL7.FhirPath.Tests.csproj
index fbd2b862ae..03ace0d9e6 100644
--- a/src/Hl7.FhirPath.Tests/HL7.FhirPath.Tests.csproj
+++ b/src/Hl7.FhirPath.Tests/HL7.FhirPath.Tests.csproj
@@ -9,7 +9,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-		<PackageReference Include="System.Threading.Tasks.Dataflow" Version="9.0.2" />
+		<PackageReference Include="System.Threading.Tasks.Dataflow" Version="9.0.3" />
 	</ItemGroup>
 
 	<ItemGroup>