diff --git a/environment-dev.yml b/environment-dev.yml
index 0578b689..2f364a57 100644
--- a/environment-dev.yml
+++ b/environment-dev.yml
@@ -18,6 +18,6 @@ dependencies:
   - pytest
   - nbval
   - ipympl
-  - jupyter_kernel_test>=0.5,<0.6
+  - jupyter_kernel_test<0.8
   - doctest
   - pluggy=1.3