diff --git a/Dfe.Academies.Academisation.Domain/Dfe.Academies.Academisation.Domain.csproj b/Dfe.Academies.Academisation.Domain/Dfe.Academies.Academisation.Domain.csproj
index 029e76a3..477a88fb 100644
--- a/Dfe.Academies.Academisation.Domain/Dfe.Academies.Academisation.Domain.csproj
+++ b/Dfe.Academies.Academisation.Domain/Dfe.Academies.Academisation.Domain.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Ardalis.GuardClauses" Version="4.5.0" />
+    <PackageReference Include="Ardalis.GuardClauses" Version="4.6.0" />
     <PackageReference Include="FluentValidation" Version="11.9.2" />
     <PackageReference Include="MediatR" Version="12.4.1" />
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.11" />
diff --git a/Dfe.Academies.Academisation.Service/Dfe.Academies.Academisation.Service.csproj b/Dfe.Academies.Academisation.Service/Dfe.Academies.Academisation.Service.csproj
index a88d7f00..9c91ac45 100644
--- a/Dfe.Academies.Academisation.Service/Dfe.Academies.Academisation.Service.csproj
+++ b/Dfe.Academies.Academisation.Service/Dfe.Academies.Academisation.Service.csproj
@@ -19,7 +19,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Ardalis.GuardClauses" Version="4.5.0" />
+    <PackageReference Include="Ardalis.GuardClauses" Version="4.6.0" />
     <PackageReference Include="AutoMapper" Version="13.0.1" />
     <PackageReference Include="ClosedXML" Version="0.104.2" />
     <PackageReference Include="Dfe.Academies.Contracts" Version="1.0.10" />