diff --git a/requirements-dev.txt b/requirements-dev.txt
index 46c8c682..941626b5 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,6 +1,6 @@
 ipython
 ipykernel
-ipywidgets
+ipywidgets<8.0.0
 pytest>=4.1
 pytest-cov>=2.6.1
 check-manifest