diff --git a/wall_e/test/test-requirements.txt b/wall_e/test/test-requirements.txt
index cf122446f..806443726 100755
--- a/wall_e/test/test-requirements.txt
+++ b/wall_e/test/test-requirements.txt
@@ -1,4 +1,4 @@
-flake8
+flake8==3.9.2
 pytest
 pytest-flake8
 pep8-naming