diff --git a/pyproject.toml b/pyproject.toml
index 459186a7..c8960eb6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ tests = [
     "pytest-cov==4.0.0",
     "pytest-rerunfailures==11.1",
     "pyvista==0.38.1",
-    "vtk==9.2.5",
+    "vtk==9.2.6",
 ]
 doc = [
     "Sphinx==5.3.0",
@@ -59,7 +59,7 @@ doc = [
     "sphinx-copybutton==0.5.1",
     "sphinx-notfound-page==0.8.3",
     "sphinx-gallery==0.11.1",
-    "vtk==9.2.5",
+    "vtk==9.2.6",
 ]
 
 [tool.flit.module]