diff --git a/pyproject.toml b/pyproject.toml
index 558457ee..5cf30f1e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,10 +26,10 @@ packages = [
 python = ">=3.10,<4.0"
 importlib-metadata = {version = "^4.0", python = "<3.9"}
 ansys-fluent-core = "~=0.25.dev1"
-vtk = ">=9.3.0.rc0"
-pyvista = ">=0.39.0"
-pyvistaqt = ">=0.7.0"
-matplotlib = ">=3.5.1"
+pyvista = "~=0.44.1"
+pyvistaqt = "~=0.11.1"
+pyside6 = "~=6.7.2"
+matplotlib = ">=3.9.0"
 
 [tool.poetry.urls]
 "Documentation" = "https://visualization.fluent.docs.pyansys.com/"