diff --git a/pyproject.toml b/pyproject.toml
index f46acb3..c25b4df 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,7 @@ tests = [
     "anyio==4.3.0",
     "numpy==1.26.4",
     "pytest==8.1.1",
-    "pytest-cov==4.1.0",
+    "pytest-cov==6.0.0",
     "pyansys-tools-variableinterop==0.1.1",
 ]