diff --git a/install.py b/install.py
index 25b59f7..5cf2734 100644
--- a/install.py
+++ b/install.py
@@ -1,8 +1,18 @@
 import launch
 import platform
+import sys
+
+if sys.version_info < (3, 8):
+    launch.run_pip("install importlib-metadata", "importlib-metadata for depthmap script")
+    import importlib_metadata
+else:
+    import importlib.metadata as importlib_metadata
+if not launch.is_installed('packaging'):
+    launch.run_pip("install packaging", "packaging requirement for depthmap script")
+from packaging.version import Version
 
 if not launch.is_installed("timm"): #0.6.7
-    launch.run_pip("install --force-reinstall timm==0.6.12", "timm requirement for depthmap script")
+    launch.run_pip('install --force-reinstall "timm==0.6.12"', "timm requirement for depthmap script")
 
 if not launch.is_installed("matplotlib"):
     launch.run_pip("install matplotlib", "matplotlib requirement for depthmap script")
@@ -10,8 +20,8 @@
 if not launch.is_installed("trimesh"):
     launch.run_pip("install trimesh", "requirements for depthmap script")
     
-if not launch.is_installed("numba"):
-    launch.run_pip("install numba", "numba requirement for depthmap script")
+if not launch.is_installed("numba") or Version(importlib_metadata.version("numba")) < Version("0.57.0"):
+    launch.run_pip('install "numba>=0.57.0"', "numba requirement for depthmap script")
 if not launch.is_installed("vispy"):
     launch.run_pip("install vispy", "vispy requirement for depthmap script")
 
@@ -19,19 +29,19 @@
     launch.run_pip("install rembg", "rembg requirement for depthmap script")
 
 if not launch.is_installed("moviepy"):
-    launch.run_pip("install moviepy==1.0.2", "moviepy requirement for depthmap script")
+    launch.run_pip('install "moviepy==1.0.2"', "moviepy requirement for depthmap script")
 if not launch.is_installed("transforms3d"):
     launch.run_pip("install transforms3d", "transforms3d requirement for depthmap script")
 if not launch.is_installed("imageio"): #2.4.1
-    launch.run_pip("install imageio", "imageio-ffmpeg requirement for depthmap script")
+    launch.run_pip("install imageio", "imageio requirement for depthmap script")
 if not launch.is_installed("imageio-ffmpeg"):
     launch.run_pip("install imageio-ffmpeg", "imageio-ffmpeg requirement for depthmap script")
 if not launch.is_installed("networkx"):
-    launch.run_pip("install install networkx==2.5", "networkx requirement for depthmap script")
+    launch.run_pip('install install "networkx==2.5"', "networkx requirement for depthmap script")
 if platform.system() == 'Windows':
     if not launch.is_installed("pyqt5"):
         launch.run_pip("install pyqt5", "pyqt5 requirement for depthmap script")
 
 if platform.system() == 'Darwin':
     if not launch.is_installed("pyqt6"):
-        launch.run_pip("install pyqt6", "pyqt6 requirement for depthmap script")
\ No newline at end of file
+        launch.run_pip("install pyqt6", "pyqt6 requirement for depthmap script")
diff --git a/scripts/depthmap.py b/scripts/depthmap.py
index c88caf4..edcdd09 100644
--- a/scripts/depthmap.py
+++ b/scripts/depthmap.py
@@ -1582,10 +1582,10 @@ def calculateprocessingres(img, basesize, confidence=0.1, scale_threshold=3, who
     grad[grad >= middle] = 1
 
     # dilation kernel with size of the receptive field
-    kernel = np.ones((int(basesize/speed_scale), int(basesize/speed_scale)), np.float)
+    kernel = np.ones((int(basesize/speed_scale), int(basesize/speed_scale)), float)
     # dilation kernel with size of the a quarter of receptive field used to compute k
     # as described in section 6 of main paper
-    kernel2 = np.ones((int(basesize / (4*speed_scale)), int(basesize / (4*speed_scale))), np.float)
+    kernel2 = np.ones((int(basesize / (4*speed_scale)), int(basesize / (4*speed_scale))), float)
 
     # Output resolution limit set by the whole_size_threshold and scale_threshold.
     threshold = min(whole_size_threshold, scale_threshold * max(img.shape[:2]))