diff --git a/feigen/_version.py b/feigen/_version.py
index 81f0fde..b1a19e3 100644
--- a/feigen/_version.py
+++ b/feigen/_version.py
@@ -1 +1 @@
-__version__ = "0.0.4"
+__version__ = "0.0.5"
diff --git a/feigen/nurbs_weights.py b/feigen/nurbs_weights.py
index 1dedecd..1295d4a 100644
--- a/feigen/nurbs_weights.py
+++ b/feigen/nurbs_weights.py
@@ -92,7 +92,9 @@ class NURBSWeights(vedo.Plotter, FeigenBase):
 
     __slots__ = ("_c", "_s")
 
-    def __init__(self, spline=None):  # noqa PLR0915
+    def __init__(
+        self, spline=None, w_min=_W_MIN, w_max=_W_MAX
+    ):  # noqa PLR0915
         """
         Create spline and setup callbacks
         """
@@ -119,6 +121,10 @@ def __init__(self, spline=None):  # noqa PLR0915
         # set title name
         self._c["window_title"] = "NURBS Weights"
 
+        # set weights extrema
+        self._c["w_min"] = w_min
+        self._c["w_max"] = w_max
+
         # sampling resolutions
         default_sampling_resolution = 50
         self._c["sample_resolutions"] = default_sampling_resolution
@@ -343,7 +349,7 @@ def start(self):
         )
 
         self.show(
-            "Solution - right click to sync",
+            "Jacobian Determinant - right click to sync",
             at=self._c["server_plot"],
             interactive=False,
             mode=self._c["plotter_mode"],
@@ -360,8 +366,8 @@ def start(self):
             self._weight_slider,
             pos1=[*pos1, 0],
             pos2=[*pos2, 0],
-            xmin=_W_MIN,
-            xmax=_W_MAX,
+            xmin=self._c["w_min"],
+            xmax=self._c["w_max"],
             value=1,
             s=0.04,
             title="weight",
diff --git a/pyproject.toml b/pyproject.toml
index e0bb0e6..4b42ec6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,16 +21,17 @@ classifiers = [
     'Operating System :: Microsoft :: Windows',
     'Operating System :: POSIX',
     'Operating System :: MacOS',
-    'Programming Language :: Python :: 3.7',
     'Programming Language :: Python :: 3.8',
     'Programming Language :: Python :: 3.9',
     'Programming Language :: Python :: 3.10',
     'Programming Language :: Python :: 3.11',
+    'Programming Language :: Python :: 3.12',
 ]
 dependencies = [
-    'vedo==2023.4.6',
+    'vedo>=2023.5.0',
     'numpy',
-    'splinepy[all]>=0.0.47',
+    'gustaf>=0.0.23',
+    'splinepy[all]>=0.0.51',
     'websockets',
 ]
 dynamic = ['version']