diff --git a/requirements.txt b/requirements.txt
index 185f8a97..567630f9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,5 +2,4 @@ numpy
 scipy
 pytest
 pytest-cov
-pytest-randomly
-python_version >= "3.6"
+pytest-randomly; python_version >= "3.6"