diff --git a/pyproject.toml b/pyproject.toml
index c9d91e90..eecad447 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -57,7 +57,7 @@ tests = [
     "grpcio==1.59.0",
     "pyansys-tools-variableinterop==0.1.1",
     "pytest==8.0.0",
-    "pytest-cov==4.1.0",
+    "pytest-cov==6.0.0",
 ]
 
 [tool.flit.module]