diff --git a/repo2docker/buildpacks/conda/install-miniforge.bash b/repo2docker/buildpacks/conda/install-miniforge.bash
index 08ed01b30..22364ccf6 100755
--- a/repo2docker/buildpacks/conda/install-miniforge.bash
+++ b/repo2docker/buildpacks/conda/install-miniforge.bash
@@ -50,9 +50,9 @@ time mamba env create -p ${NB_PYTHON_PREFIX} -f /tmp/environment.yml
 
 # Install jupyter-offline-notebook to allow users to download notebooks
 # after the server connection has been lost
-# This will install and enable the extension for jupyter notebook
-time ${NB_PYTHON_PREFIX}/bin/python -m pip install jupyter-offlinenotebook==0.1.0
-# and this installs it for lab. Keep going if the lab version is incompatible
+# This will install and enable the extension for jupyter notebook and JupyterLab 3
+time ${NB_PYTHON_PREFIX}/bin/python -m pip install jupyter-offlinenotebook==0.2.1
+# and this installs it for lab 2. Keep going if the lab version is incompatible
 # with the extension.
 # Don't minimize build as it may fail, possibly due to excessive resource usage
 # https://discourse.jupyter.org/t/tip-binder-jupyterlab-extension/6022