diff --git a/SW.Scheduler.IntegrationTests/SW.Scheduler.IntegrationTests.csproj b/SW.Scheduler.IntegrationTests/SW.Scheduler.IntegrationTests.csproj
index df0f429..521f4af 100644
--- a/SW.Scheduler.IntegrationTests/SW.Scheduler.IntegrationTests.csproj
+++ b/SW.Scheduler.IntegrationTests/SW.Scheduler.IntegrationTests.csproj
@@ -23,7 +23,7 @@
     </PackageReference>
 
     <!-- Testcontainers — Docker-based database containers -->
-    <PackageReference Include="Testcontainers.PostgreSql" Version="3.10.0" />
+    <PackageReference Include="Testcontainers.PostgreSql" Version="4.13.0" />
     <PackageReference Include="Testcontainers.MsSql" Version="3.10.0" />
     <PackageReference Include="Testcontainers.MySql" Version="3.10.0" />