diff --git a/setup.py b/setup.py
index 52aafc1..15a9b9e 100644
--- a/setup.py
+++ b/setup.py
@@ -44,7 +44,7 @@
     ],
     extras_require={
         "tests": [
-            "pytest-cov>=3,<6",
+            "pytest-cov>=3,<7",
             "pytest-instafail==0.5.*",
             "pytest-mock==3.*",
             "pytest-watch==4.*",