diff --git a/src/Dfe.CaseAggregationService.Application/Dfe.CaseAggregationService.Application.csproj b/src/Dfe.CaseAggregationService.Application/Dfe.CaseAggregationService.Application.csproj
index 094f196..fd3bf28 100644
--- a/src/Dfe.CaseAggregationService.Application/Dfe.CaseAggregationService.Application.csproj
+++ b/src/Dfe.CaseAggregationService.Application/Dfe.CaseAggregationService.Application.csproj
@@ -8,7 +8,7 @@
     <PackageReference Include="GovUK.Dfe.CoreLibs.AsyncProcessing" Version="1.0.12" />
     <PackageReference Include="GovUK.Dfe.CoreLibs.Caching" Version="1.0.10" />
     <PackageReference Include="FluentValidation" Version="11.10.0" />
-    <PackageReference Include="FluentValidation.AspNetCore" Version="11.3.0" />
+    <PackageReference Include="FluentValidation.AspNetCore" Version="11.3.1" />
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.25" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="8.0.2" />