diff --git a/Ccs.Ppg.NotificationService/Ccs.Ppg.NotificationService.csproj b/Ccs.Ppg.NotificationService/Ccs.Ppg.NotificationService.csproj
index 9b57758..45afa5c 100644
--- a/Ccs.Ppg.NotificationService/Ccs.Ppg.NotificationService.csproj
+++ b/Ccs.Ppg.NotificationService/Ccs.Ppg.NotificationService.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="AWSSDK.SimpleSystemsManagement" Version="4.0.5.2" />
+    <PackageReference Include="AWSSDK.SimpleSystemsManagement" Version="4.0.6.4" />
     <PackageReference Include="GovukNotify" Version="7.2.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="9.0.10" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="9.0.10" />