diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index 12803fe..542cf84 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -10,7 +10,7 @@ source:
   sha256: 1aa1a3aef73cc30a9ea4217f13a64269c1cc9185edbf10c2db820fa4ff29525f
 
 build:
-  number: 0
+  number: 1
   noarch: python
   script: {{ PYTHON }} -m pip install . --no-deps --ignore-installed --no-cache-dir -vvv
   entry_points:
@@ -30,7 +30,7 @@ requirements:
     - jupyterlab_server >=2.3.0,<3
     - jupyter_client >=7.4.4,<=9
     - jupyter_server >=2.0.0,<3
-    - nbclient >=0.4.0,<0.8
+    - nbclient >=0.4.0
     - websockets >=9
     - traitlets >=5.0.3,<6
   run_constrained: