diff --git a/deepcell_toolbox/utils.py b/deepcell_toolbox/utils.py
index 37cbef1..fea748c 100644
--- a/deepcell_toolbox/utils.py
+++ b/deepcell_toolbox/utils.py
@@ -30,7 +30,7 @@
 
 import numpy as np
 import cv2
-import scipy.signal
+import scipy as sp
 
 from skimage import transform
 from skimage.measure import regionprops
@@ -281,10 +281,10 @@ def spline_window(window_size, overlap_left, overlap_right, power=2):
 
     def _spline_window(w_size):
         intersection = int(w_size / 4)
-        wind_outer = (abs(2 * (scipy.signal.triang(w_size))) ** power) / 2
+        wind_outer = (abs(2 * (sp.signal.windows.triang(w_size))) ** power) / 2
         wind_outer[intersection:-intersection] = 0
 
-        wind_inner = 1 - (abs(2 * (scipy.signal.triang(w_size) - 1)) ** power) / 2
+        wind_inner = 1 - (abs(2 * (sp.signal.windows.triang(w_size) - 1)) ** power) / 2
         wind_inner[:intersection] = 0
         wind_inner[-intersection:] = 0
 
diff --git a/setup.py b/setup.py
index 4326b1f..4904f50 100644
--- a/setup.py
+++ b/setup.py
@@ -101,8 +101,8 @@ def run(self, *args, **kwargs):
           'pandas',
           'networkx>=2.1',
           'numpy>=1.16.6',
-          'scipy>=1.3.0',
-          'scikit-image>=0.15.0',
+          'scipy>=1.9.0',
+          'scikit-image>=0.19',
           'scikit-learn',
           'tqdm'],
       extras_require={