diff --git a/build-environment.yml b/build-environment.yml
index 37e9c67..cb731fb 100644
--- a/build-environment.yml
+++ b/build-environment.yml
@@ -22,7 +22,6 @@ dependencies:
 - jupyterlite-pyodide-kernel =0.6.0
 - jupyterlite-sphinx >=0.20.2,<0.21
 - jupyterlite-terminal >=0.2.1,<0.3.0
-- jupyterlite-xeus>=4.0.0
 - notebook >=7.4.4,<7.5
 - pip
 - plotly >=6,<7
@@ -30,5 +29,6 @@ dependencies:
 - micromamba >=2.0.5,<3
 - nodejs =22
 - pip:
+  - jupyterlite-xeus >=4.2.2
   - jupyterlite-xeus-sqlite==0.2.1
   - jupyterlab-open-url-parameter >=0.3.0
diff --git a/conf.py b/conf.py
index a86805c..aabe132 100644
--- a/conf.py
+++ b/conf.py
@@ -9,6 +9,7 @@
 
 jupyterlite_dir = "."
 jupyterlite_contents = "content"
+jupyterlite_silence = False
 
 master_doc = 'index'
 source_suffix = '.md'
diff --git a/environment-cpp.yml b/environment-cpp.yml
index e06781f..a8816bb 100644
--- a/environment-cpp.yml
+++ b/environment-cpp.yml
@@ -1,9 +1,9 @@
 name: xeus-kernel
 channels:
-  - https://repo.prefix.dev/emscripten-forge-dev
-  - conda-forge
+  - https://prefix.dev/emscripten-forge-dev
+  - https://prefix.dev/conda-forge
 dependencies:
   - xeus-cpp
   - symengine
-  - xtensor-blas
+  - xtensor-blas =0.22
   - xsimd
diff --git a/environment-python.yml b/environment-python.yml
index 9d60e76..054d0fe 100644
--- a/environment-python.yml
+++ b/environment-python.yml
@@ -1,7 +1,7 @@
 name: xeus-python-kernel
 channels:
-  - https://repo.prefix.dev/emscripten-forge-dev
-  - https://repo.prefix.dev/conda-forge
+  - https://prefix.dev/emscripten-forge-dev
+  - https://prefix.dev/conda-forge
 dependencies:
   - xeus-python
   - numpy
diff --git a/environment-r.yml b/environment-r.yml
index cc1ad4e..039ef06 100644
--- a/environment-r.yml
+++ b/environment-r.yml
@@ -1,7 +1,7 @@
 name: xeus-r-kernel
 channels:
-  - https://repo.prefix.dev/emscripten-forge-dev
-  - https://repo.prefix.dev/conda-forge
+  - https://prefix.dev/emscripten-forge-dev
+  - https://prefix.dev/conda-forge
 dependencies:
   - xeus-r >= 0.7.0
   - r-ggplot2