diff --git a/requirements.txt b/requirements.txt
index 8c40b74..f074435 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 freetype-py
 imageio
 networkx
-numpy
+numpy<2.0.0
 Pillow
 pyglet==1.4.0a1
 PyOpenGL
diff --git a/setup.py b/setup.py
index c3b5ba0..049e85f 100644
--- a/setup.py
+++ b/setup.py
@@ -18,7 +18,7 @@ def get_imageio_dep():
     'freetype-py',                # For font loading
     get_imageio_dep(),            # For Image I/O
     'networkx',                   # For the scene graph
-    'numpy',                      # Numpy
+    'numpy<2.0.0',                # Numpy
     'Pillow',                     # For Trimesh texture conversions
     'pyglet>=1.4.10',             # For the pyglet viewer
     'PyOpenGL~=3.1.0',            # For OpenGL