diff --git a/requirements_dev.txt b/requirements_dev.txt
index e510553..56aa9d5 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -24,7 +24,7 @@ opencv-python
 scikit-image>=0.22.0
 scikit-fmm
 scipy
-cellpose
+cellpose<3.1.0
 
 torch
 pytorch-lightning