diff --git a/tools/test-requires b/tools/test-requires
index b799dce..f701dab 100644
--- a/tools/test-requires
+++ b/tools/test-requires
@@ -2,3 +2,4 @@
 pylint==0.19
 #TODO(afazekas): ensure pg_config installed
 psycopg2
+pyflakes