diff --git a/src/tests/LangSmith.IntegrationTests/LangSmith.IntegrationTests.csproj b/src/tests/LangSmith.IntegrationTests/LangSmith.IntegrationTests.csproj
index f8a9fc6..fa3eb3a 100644
--- a/src/tests/LangSmith.IntegrationTests/LangSmith.IntegrationTests.csproj
+++ b/src/tests/LangSmith.IntegrationTests/LangSmith.IntegrationTests.csproj
@@ -12,7 +12,7 @@
     <PackageReference Include="MSTest" Version="3.6.4" />
     <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="FluentAssertions" Version="7.0.0" />
-    <PackageReference Include="Testcontainers" Version="4.0.0" />
+    <PackageReference Include="Testcontainers" Version="4.1.0" />
     <PackageReference Include="tryAGI.OpenAI" Version="3.9.2" />
   </ItemGroup>