diff --git a/src/requirements-test.txt b/src/requirements-test.txt
index f1d1c49..e156801 100644
--- a/src/requirements-test.txt
+++ b/src/requirements-test.txt
@@ -1,2 +1,2 @@
 pytest>=3.7.2,<5.3
-pytest-cov>=2.5.1,<2.8
+pytest-cov>=2.5.1,<2.9