diff --git a/pyproject.toml b/pyproject.toml
index 8090db28..cb48148f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -75,7 +75,7 @@ test = [
     "psutil==6.0.0",
     "exceptiongroup==1.0.0",
     "pytest==8.3.3",
-    "pytest-cov==4.1.0",
+    "pytest-cov==6.0.0",
     "pyvista==0.44.1",
     "vtk==9.4.0",
     "ansys-dpf-core==0.13.0",
@@ -103,7 +103,7 @@ dev = [
     "psutil==6.0.0",
     "docker>=7.1.0",
     "pytest==8.3.3",
-    "pytest-cov==4.1.0",
+    "pytest-cov==6.0.0",
     "Sphinx==8.0.2",
     "sphinx-copybutton==0.5.2",
     "sphinx-gallery==0.18.0",