diff --git a/shared.tests/shared.tests.csproj b/shared.tests/shared.tests.csproj
index 00d5f33..472a2d0 100644
--- a/shared.tests/shared.tests.csproj
+++ b/shared.tests/shared.tests.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Testcontainers" Version="3.5.0" />
+    <PackageReference Include="Testcontainers" Version="4.1.0" />
     <PackageReference Include="xunit" Version="2.5.0" />
   </ItemGroup>