diff --git a/backend/src/Fb4.Backend/Fb4.Backend.csproj b/backend/src/Fb4.Backend/Fb4.Backend.csproj
index baf3101..51b741c 100644
--- a/backend/src/Fb4.Backend/Fb4.Backend.csproj
+++ b/backend/src/Fb4.Backend/Fb4.Backend.csproj
@@ -12,7 +12,7 @@
     <!-- Timeout, Retry mit Backoff, Circuit Breaker je externem Aufruf (API-N-120, ADR 0015). -->
     <PackageReference Include="Microsoft.Extensions.Http.Resilience" Version="9.10.0" />
     <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="9.0.4" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.11" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.20" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.11">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>