diff --git a/backend/requirements-dev.txt b/backend/requirements-dev.txt
index f991949..fa1af5d 100644
--- a/backend/requirements-dev.txt
+++ b/backend/requirements-dev.txt
@@ -1,4 +1,5 @@
 pytest
 pytest-cov # For checking test coverage (optional)
 ruff # Or flake8, pylint etc. for linting
-black # For code formatting checks
\ No newline at end of file
+black # For code formatting checks
+testcontainers
\ No newline at end of file