diff --git a/setup.py b/setup.py
index 840c402..18e6c07 100644
--- a/setup.py
+++ b/setup.py
@@ -12,6 +12,7 @@
     install_requires=[
         'numpy~=1.26',
         # 'cadquery>=2',
+        'cadquery-ocp<=7.7.2.0'
         'cadquery @ git+https://github.com/CadQuery/cadquery.git',
         'cadquery-png-plugin @ git+https://github.com/jmwright/cadquery-png-plugin.git',
         'cadscript>=0.5.2',