diff --git a/requirements/testing.txt b/requirements/testing.txt
index ddbe97f..108535e 100644
--- a/requirements/testing.txt
+++ b/requirements/testing.txt
@@ -1,5 +1,5 @@
 # Testing dependencies
 # --------------------
 
-pytest-cov>=2.11,<3.1
+pytest-cov>=2.11,<4.1
 semver>=2.13,<2.14