diff --git a/requirements/testing.txt b/requirements/testing.txt
index c55aae8..9618fdd 100644
--- a/requirements/testing.txt
+++ b/requirements/testing.txt
@@ -6,5 +6,5 @@
 feedparser>=6.0.11,<6.1
 jsonfeed-util>=1.1.2,<2
 mkdocs-material[imaging]>=9
-pytest-cov>=4,<4.2
+pytest-cov>=4,<5.1
 validator-collection>=1.5,<1.6