diff --git a/doc/conf.py b/doc/conf.py
index dc9efe3a6..fe86feb59 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -113,6 +113,8 @@
 nb_execution_excludepatterns = [
     'user_guide/Streaming.ipynb',
 ]
+# cell execution timeout in seconds (-1 to ignore, 30 by default)
+nb_execution_timeout = 120
 
 if os.getenv('HVPLOT_REFERENCE_GALLERY') not in ('False', 'false', '0'):
     rediraffe_redirects.update(
diff --git a/envs/py3.11-docs.yaml b/envs/py3.11-docs.yaml
index 8df704288..b7cdaf197 100644
--- a/envs/py3.11-docs.yaml
+++ b/envs/py3.11-docs.yaml
@@ -10,7 +10,6 @@
 name: hvplotdocs
 channels:
   - nodefaults
-  - pyviz/label/dev
   - conda-forge
 dependencies:
   - python=3.11
@@ -35,7 +34,6 @@ dependencies:
   - ipywidgets
   - jinja2
   - matplotlib
-  - nbsite>=0.8.4
   - networkx>=2.6.3
   - notebook>=5.4
   - numba>=0.51.0
diff --git a/pyproject.toml b/pyproject.toml
index 5f8fe5a8c..750748d74 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -221,6 +221,7 @@ ruff = [
 geoviews = { skip = true, packages = "geoviews-core >=1.9.0" }
 # It should be ibis-framework[duckdb], but it works anyway.
 ibis-framework = { skip = true, packages = "ibis-duckdb" }
+nbsite = { skip = true }
 
 [tool.pyproject2conda.envs."tests"]
 channels = ["nodefaults", "pyviz/label/dev", "conda-forge"]
@@ -230,7 +231,7 @@ name = "hvplottests"
 # reqs = ["-e .."]  # Doesn't work
 
 [tool.pyproject2conda.envs."docs"]
-channels = ["nodefaults", "pyviz/label/dev", "conda-forge"]
+channels = ["nodefaults", "conda-forge"]
 python = ["3.11"]
 extras = ["doc", "examples", "geo", "graphviz", "dev-extras"]
 name = "hvplotdocs"