diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index 4cf2e82..285cc25 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -10,7 +10,7 @@ source:
   sha256: 97ae429ca4b16a7a3fcf553d795b052ebe92d5db2113553a00b13e68eb4b7528
 
 build:
-  number: 0
+  number: 1
   noarch: python
   script: {{ PYTHON }} -m pip install . --no-deps --ignore-installed --no-cache-dir -vvv
   entry_points:
@@ -25,7 +25,7 @@ requirements:
   run:
     - python >=3.6
     - nbconvert >=6.0.0,<7
-    - jupyter_client >=6.1.3,<7
+    - jupyter_client >=6.1.3,<8
     - jupyter_server >=0.3.0,<2
     - nbclient >=0.4.0,<0.6
     - websockets >=9