diff --git a/pyproject.toml b/pyproject.toml
index 8ad33acf..d8c6dfa3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -85,7 +85,7 @@ test-extra = [
     "pytest-cov>=6.0.0",
     "pyvista==0.44.1",
     "vtk==9.4.0",
-    "ansys-dpf-core==0.13.0",
+    "ansys-dpf-core==0.13.6",
 ]
 doc = [
     "ansys-sphinx-theme==1.1.1",