diff --git a/NHSDigital.ApiPlatform.Sdk.AspNetCore.Tests.Unit/NHSDigital.ApiPlatform.Sdk.AspNetCore.Tests.Unit.csproj b/NHSDigital.ApiPlatform.Sdk.AspNetCore.Tests.Unit/NHSDigital.ApiPlatform.Sdk.AspNetCore.Tests.Unit.csproj
index c3ec012..67f05c8 100644
--- a/NHSDigital.ApiPlatform.Sdk.AspNetCore.Tests.Unit/NHSDigital.ApiPlatform.Sdk.AspNetCore.Tests.Unit.csproj
+++ b/NHSDigital.ApiPlatform.Sdk.AspNetCore.Tests.Unit/NHSDigital.ApiPlatform.Sdk.AspNetCore.Tests.Unit.csproj
@@ -15,7 +15,7 @@
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>
 		<PackageReference Include="FluentAssertions" Version="[7.2.2]" />
-		<PackageReference Include="Hl7.Fhir.STU3" Version="6.6.0" />
+		<PackageReference Include="Hl7.Fhir.STU3" Version="6.8.0" />
 		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.11.0" />
 		<PackageReference Include="Moq" Version="4.21.0" />
 		<PackageReference Include="Tynamix.ObjectFiller" Version="1.5.9" />
diff --git a/NHSDigital.ApiPlatform.Sdk.Tests.Unit/NHSDigital.ApiPlatform.Sdk.Tests.Unit.csproj b/NHSDigital.ApiPlatform.Sdk.Tests.Unit/NHSDigital.ApiPlatform.Sdk.Tests.Unit.csproj
index 7f68a96..33ff1a6 100644
--- a/NHSDigital.ApiPlatform.Sdk.Tests.Unit/NHSDigital.ApiPlatform.Sdk.Tests.Unit.csproj
+++ b/NHSDigital.ApiPlatform.Sdk.Tests.Unit/NHSDigital.ApiPlatform.Sdk.Tests.Unit.csproj
@@ -15,7 +15,7 @@
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>
 		<PackageReference Include="FluentAssertions" Version="[7.2.2]" />
-		<PackageReference Include="Hl7.Fhir.STU3" Version="6.6.0" />
+		<PackageReference Include="Hl7.Fhir.STU3" Version="6.8.0" />
 		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.11.0" />
 		<PackageReference Include="Moq" Version="4.21.0" />
 		<PackageReference Include="Tynamix.ObjectFiller" Version="1.5.9" />