diff --git a/samples/Directory.Packages.props b/samples/Directory.Packages.props
index 174db94..ad420e1 100644
--- a/samples/Directory.Packages.props
+++ b/samples/Directory.Packages.props
@@ -19,6 +19,6 @@
     <PackageVersion Include="Serilog.Sinks.Elasticsearch" Version="10.0.0" />
     <PackageVersion Include="Swashbuckle.AspNetCore" Version="6.6.2" />
     <PackageVersion Include="Testcontainers.Kafka" Version="3.8.0" />
-    <PackageVersion Include="Testcontainers.PostgreSql" Version="3.8.0" />
+    <PackageVersion Include="Testcontainers.PostgreSql" Version="4.0.0" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/tests/Directory.Packages.props b/tests/Directory.Packages.props
index 2938de5..a35f6c4 100644
--- a/tests/Directory.Packages.props
+++ b/tests/Directory.Packages.props
@@ -11,7 +11,7 @@
     <PackageVersion Include="Testcontainers.Kafka" Version="3.8.0" />
     <PackageVersion Include="Testcontainers.MsSql" Version="3.8.0" />
     <PackageVersion Include="Testcontainers.MySql" Version="3.8.0" />
-    <PackageVersion Include="Testcontainers.PostgreSql" Version="3.8.0" />
+    <PackageVersion Include="Testcontainers.PostgreSql" Version="4.0.0" />
     <PackageVersion Include="xunit" Version="2.9.0" />
     <PackageVersion Include="xunit.assert" Version="2.9.0" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="2.8.2" />