diff --git a/test-requirements.txt b/test-requirements.txt
index ccba022..8a7cdfe 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -8,7 +8,7 @@ flake8-isort
 flake8-logging-format
 flake8-polyfill
 flake8-quotes
-flake8-eradicate
+flake8-eradicate; python_version >= "3.6"
 pep8-naming
 wheel
 pytest