diff --git a/eFormAPI/Plugins/BackendConfiguration.Pn/BackendConfiguration.Pn.Integration.Test/BackendConfiguration.Pn.Integration.Test.csproj b/eFormAPI/Plugins/BackendConfiguration.Pn/BackendConfiguration.Pn.Integration.Test/BackendConfiguration.Pn.Integration.Test.csproj
index 324e71326..45d5f2a2e 100644
--- a/eFormAPI/Plugins/BackendConfiguration.Pn/BackendConfiguration.Pn.Integration.Test/BackendConfiguration.Pn.Integration.Test.csproj
+++ b/eFormAPI/Plugins/BackendConfiguration.Pn/BackendConfiguration.Pn.Integration.Test/BackendConfiguration.Pn.Integration.Test.csproj
@@ -18,8 +18,8 @@
           <PrivateAssets>all</PrivateAssets>
           <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-        <PackageReference Include="Testcontainers" Version="3.10.0" />
-        <PackageReference Include="Testcontainers.MariaDb" Version="3.10.0" />
+        <PackageReference Include="Testcontainers" Version="4.0.0" />
+        <PackageReference Include="Testcontainers.MariaDb" Version="4.0.0" />
     </ItemGroup>
 
     <ItemGroup>
diff --git a/eFormAPI/Plugins/BackendConfiguration.Pn/BackendConfiguration.Pn.Test/BackendConfiguration.Pn.Test.csproj b/eFormAPI/Plugins/BackendConfiguration.Pn/BackendConfiguration.Pn.Test/BackendConfiguration.Pn.Test.csproj
index f8845b0f3..2824fcf82 100644
--- a/eFormAPI/Plugins/BackendConfiguration.Pn/BackendConfiguration.Pn.Test/BackendConfiguration.Pn.Test.csproj
+++ b/eFormAPI/Plugins/BackendConfiguration.Pn/BackendConfiguration.Pn.Test/BackendConfiguration.Pn.Test.csproj
@@ -12,8 +12,8 @@
       <PackageReference Include="NSubstitute" Version="5.1.0" />
       <PackageReference Include="NUnit" Version="3.14.0" />
       <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
-      <PackageReference Include="Testcontainers" Version="3.10.0" />
-      <PackageReference Include="Testcontainers.MariaDb" Version="3.10.0" />
+      <PackageReference Include="Testcontainers" Version="4.0.0" />
+      <PackageReference Include="Testcontainers.MariaDb" Version="4.0.0" />
     </ItemGroup>
 
     <ItemGroup>