diff --git a/.github/workflows/deploy-github-page.yml b/.github/workflows/deploy-github-page.yml
index a2658f5f..9351819a 100644
--- a/.github/workflows/deploy-github-page.yml
+++ b/.github/workflows/deploy-github-page.yml
@@ -73,7 +73,7 @@ jobs:
         run: |
           micromamba create -n xeus-lite-host jupyterlite-core
           micromamba activate xeus-lite-host
-          python -m pip install jupyterlite-xeus jupyter_server notebook
+          python -m pip install jupyterlite-xeus jupyter_server notebook libarchive-c
           jupyter lite build --XeusAddon.prefix=${{ env.PREFIX }} --contents notebooks/xeus-cpp-lite-demo.ipynb --output-dir dist
           cp $PREFIX/bin/xcpp.data dist/extensions/@jupyterlite/xeus/static
           cp $PREFIX/lib/libclangCppInterOp.so dist/extensions/@jupyterlite/xeus/static
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c6f12b60..c2a8340c 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -271,7 +271,7 @@ jobs:
         run: |
           micromamba create -n xeus-lite-host jupyterlite-core
           micromamba activate xeus-lite-host
-          python -m pip install jupyterlite-xeus
+          python -m pip install jupyterlite-xeus libarchive-c
           jupyter lite build --XeusAddon.prefix=${{ env.PREFIX }}
           cp $PREFIX/bin/xcpp.data _output/extensions/@jupyterlite/xeus/static
           cp $PREFIX/lib/libclangCppInterOp.so _output/extensions/@jupyterlite/xeus/static