diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 6a0043d..8f50956 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -20,13 +20,20 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
-      - name: Install Conda environment from environment.yml
-        uses: mamba-org/provision-with-micromamba@v12
+
+      - name: Install mamba
+        uses: mamba-org/setup-micromamba@v1
+        with:
+          micromamba-version: '1.5.1-0'
+          environment-file: build-environment.yml
+          cache-environment: true
+
       - name: Build the JupyterLite site
         shell: bash -l {0}
         run: |
           cp README.md content
           jupyter lite build --contents content --output-dir dist
+
       - name: Upload dist
         uses: actions/upload-pages-artifact@v1
         with:
diff --git a/.readthedocs.yml b/.readthedocs.yml
index 603fbe5..02f2629 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -6,7 +6,7 @@ build:
     python: "mambaforge-4.10"
 
 conda:
-  environment: environment.yml
+  environment: build-environment.yml
 
 sphinx:
    configuration: conf.py
diff --git a/build-environment.yml b/build-environment.yml
new file mode 100644
index 0000000..763acd0
--- /dev/null
+++ b/build-environment.yml
@@ -0,0 +1,27 @@
+name: try-jupyter-build
+channels:
+- conda-forge
+dependencies:
+- python=3.10
+- mamba
+- pydata-sphinx-theme
+- myst-parser
+- bqplot
+- ipycanvas >=0.9.1
+- ipyleaflet
+- ipympl>=0.8.2
+- ipywidgets>=8,<9
+- jupyterlab>=3.5.2,<4
+- jupyterlab-language-pack-fr-FR
+- jupyterlab-language-pack-zh-CN
+- jupyterlab-fasta>=3,<4
+- jupyterlab-geojson>=3,<4
+- jupyterlab-tour
+- jupyterlab-night
+- jupyterlite-core=0.1.2
+- jupyterlite-xeus-python=0.9.4
+- jupyterlite-sphinx>=0.9.1,<0.10
+- plotly>=5,<6
+- pip:
+  - jupyterlite-xeus-sqlite==0.2.1
+  - jupyterlab-open-url-parameter
diff --git a/environment.yml b/environment.yml
index bbd94e4..dca029c 100644
--- a/environment.yml
+++ b/environment.yml
@@ -1,27 +1,6 @@
 name: try-jupyter
 channels:
-- conda-forge
+  - https://repo.mamba.pm/emscripten-forge
+  - https://repo.mamba.pm/conda-forge
 dependencies:
-- python=3.10
-- mamba
-- pydata-sphinx-theme
-- myst-parser
-- bqplot
-- ipycanvas >=0.9.1
-- ipyleaflet
-- ipympl>=0.8.2
-- ipywidgets>=8,<9
-- jupyterlab>=3.5.2,<4
-- jupyterlab-language-pack-fr-FR
-- jupyterlab-language-pack-zh-CN
-- jupyterlab-fasta>=3,<4
-- jupyterlab-geojson>=3,<4
-- jupyterlab-tour
-- jupyterlab-night
-- jupyterlite-core=0.1.2
-- jupyterlite-xeus-python=0.9.4
-- jupyterlite-sphinx>=0.9.1,<0.10
-- plotly>=5,<6
-- pip:
-  - jupyterlite-xeus-sqlite==0.2.1
-  - jupyterlab-open-url-parameter
+  - ipywidgets >=8,<9