diff --git a/pyproject.toml b/pyproject.toml
index 5fa7fdd9..68733687 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -60,7 +60,7 @@ test = [
     "pytest>=7.3,<8.0",
     "pytest-mock",
     "pytest-xdist>=3.2,<4.0",
-    "pytest-cov>=4.1,<5.0",
+    "pytest-cov>=4.1,<7.0",
     "hypothesis>=6.87,<7.0",
 ]
 build = [