diff --git a/backend/src/Taskdeck.Application/Taskdeck.Application.csproj b/backend/src/Taskdeck.Application/Taskdeck.Application.csproj
index 395964fd6..6943f66b6 100644
--- a/backend/src/Taskdeck.Application/Taskdeck.Application.csproj
+++ b/backend/src/Taskdeck.Application/Taskdeck.Application.csproj
@@ -16,7 +16,7 @@
 
   <ItemGroup>
     <PackageReference Include="BCrypt.Net-Next" Version="4.0.3" />
-    <PackageReference Include="FluentValidation" Version="11.9.0" />
+    <PackageReference Include="FluentValidation" Version="12.1.1" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.2" />
     <PackageReference Include="Microsoft.IdentityModel.Tokens" Version="7.5.1" />
     <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="7.5.1" />