diff --git a/.github/workflows/deploy-github-page.yml b/.github/workflows/deploy-github-page.yml
index 4299b865..c4a82e79 100644
--- a/.github/workflows/deploy-github-page.yml
+++ b/.github/workflows/deploy-github-page.yml
@@ -66,12 +66,15 @@ jobs:
             ..
           emmake make -j ${{ env.ncpus }} install
 
+      - name: Setup Node.js 24
+        uses: actions/setup-node@v4
+        with:
+          node-version: '24'
+
       - name: Test xeus-cpp C++ Emscripten
         shell: bash -l {0}
         run: |
           set -e
-          micromamba create -n xeus-lite-host jupyterlite-core=0.6 jupyter_server jupyterlite-xeus
-          micromamba activate xeus-lite-host
           cd build/test
           # Fresh install browsers, and run Emscripten tests in them
           # This is to match the Emscripten build instructions, where
@@ -134,12 +137,14 @@ jobs:
             echo "Running test_xeus_cpp in Google Chrome"
             python ${{ env.BUILD_PREFIX }}/bin/emrun.py --browser="google-chrome" --kill_exit --timeout 60 --browser-args="--headless  --no-sandbox"  test_xeus_cpp.html
           fi
+          node --version
           node test_xeus_cpp.js
         timeout-minutes: 4
 
       - name: Jupyter Lite integration
         shell: bash -l {0}
         run: |
+          micromamba create -n xeus-lite-host jupyterlite-core=0.6 jupyter_server jupyterlite-xeus -c conda-forge
           micromamba activate xeus-lite-host
           jupyter lite build \
               --XeusAddon.prefix=${{ env.PREFIX }} \
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 09b04a68..7cfa6bd3 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -249,13 +249,16 @@ jobs:
             ..
           emmake make -j ${{ env.ncpus }} install
 
+      - name: Setup Node.js 24
+        uses: actions/setup-node@v4
+        with:
+          node-version: '24'
+
       - name: Test xeus-cpp C++ Emscripten
         shell: bash -l {0}
         run: |
           export BUILD_PREFIX=$MAMBA_ROOT_PREFIX/envs/xeus-cpp-wasm-build
           set -e
-          micromamba create -n xeus-lite-host jupyterlite-core=0.6 jupyterlite-xeus
-          micromamba activate xeus-lite-host
           cd build/test
           # Fresh install browsers, and run Emscripten tests in them
           # This is to match the Emscripten build instructions, where
@@ -323,12 +326,14 @@ jobs:
             echo "Running test_xeus_cpp in Google Chrome"
             python ${{ env.BUILD_PREFIX }}/bin/emrun.py --browser="google-chrome" --kill_exit --timeout 60 --browser-args="--headless --no-sandbox"  test_xeus_cpp.html
           fi
+          node --version
           node test_xeus_cpp.js
         timeout-minutes: 4
 
       - name: Jupyter Lite integration
         shell: bash -l {0}
         run: |
+          micromamba create -n xeus-lite-host jupyterlite-core=0.6 jupyter_server jupyterlite-xeus -c conda-forge
           micromamba activate xeus-lite-host
           jupyter lite build --XeusAddon.prefix=${{ env.PREFIX }}