diff --git a/tests/IdentityResolution.Tests/IdentityResolution.Tests.csproj b/tests/IdentityResolution.Tests/IdentityResolution.Tests.csproj
index 3cd3739..81fba7a 100644
--- a/tests/IdentityResolution.Tests/IdentityResolution.Tests.csproj
+++ b/tests/IdentityResolution.Tests/IdentityResolution.Tests.csproj
@@ -30,7 +30,7 @@
     <PackageReference Include="Testcontainers.Elasticsearch" Version="4.7.0" />
     
     <!-- Database and caching libraries -->
-    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="9.0.0" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="9.0.4" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.9" />
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.9" />
     <PackageReference Include="StackExchange.Redis" Version="2.8.16" />