diff --git a/SW.Bitween.IntegrationTests/SW.Bitween.IntegrationTests.csproj b/SW.Bitween.IntegrationTests/SW.Bitween.IntegrationTests.csproj
index 72599a1e..4e19ff81 100644
--- a/SW.Bitween.IntegrationTests/SW.Bitween.IntegrationTests.csproj
+++ b/SW.Bitween.IntegrationTests/SW.Bitween.IntegrationTests.csproj
@@ -23,7 +23,7 @@
     </PackageReference>
 
     <!-- Testcontainers — Docker-based infrastructure -->
-    <PackageReference Include="Testcontainers.PostgreSql" Version="3.10.0" />
+    <PackageReference Include="Testcontainers.PostgreSql" Version="4.13.0" />
     <PackageReference Include="Testcontainers.RabbitMq" Version="3.10.0" />
 
     <!-- Serverless runtime -->