diff --git a/LearningHub.Nhs.WebUI/LearningHub.Nhs.WebUI.csproj b/LearningHub.Nhs.WebUI/LearningHub.Nhs.WebUI.csproj
index 3484b61de..89055de05 100644
--- a/LearningHub.Nhs.WebUI/LearningHub.Nhs.WebUI.csproj
+++ b/LearningHub.Nhs.WebUI/LearningHub.Nhs.WebUI.csproj
@@ -133,7 +133,7 @@
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>
-		<PackageReference Include="System.Security.Cryptography.Pkcs" Version="7.0.0" />
+		<PackageReference Include="System.Security.Cryptography.Pkcs" Version="9.0.1" />
 		<PackageReference Include="tusdotnet" Version="2.8.0" />
 		<PackageReference Include="Microsoft.TypeScript.MSBuild" Version="4.5.2">
 			<PrivateAssets>all</PrivateAssets>