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 021e194225..8a537c40df 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="9.0.0" />
+		<PackageReference Include="System.Threading.Tasks.Dataflow" Version="9.0.1" />
 	</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 2f04245b98..0d47257cfb 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="9.0.0" />
+		<PackageReference Include="System.Threading.Tasks.Dataflow" Version="9.0.1" />
 	</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 0d7d8c18ba..c0e7962c73 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="9.0.0" />
+		<PackageReference Include="System.Threading.Tasks.Dataflow" Version="9.0.1" />
 	</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 e2092c30dd..6c4356e201 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="9.0.0" />
+		<PackageReference Include="System.Threading.Tasks.Dataflow" Version="9.0.1" />
 	</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 6994304a3f..57f201b207 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="9.0.0" />
+		<PackageReference Include="System.Threading.Tasks.Dataflow" Version="9.0.1" />
 	</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 91d190f317..a8716f1321 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="9.0.0" />
+		<PackageReference Include="System.Threading.Tasks.Dataflow" Version="9.0.1" />
 	</ItemGroup>
 
 	<ItemGroup>