diff --git a/requirements.txt b/requirements.txt
index e1cf1fe..0b9881f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,11 +15,11 @@ jupyterlab-language-pack-fr-FR
 jupyterlab-language-pack-zh-CN
 
 # SQLite kernel (optional)
-jupyterlite-xeus-sqlite==0.2.1
+#jupyterlite-xeus-sqlite==0.2.1
 # P5 kernel (optional)
 jupyterlite-p5-kernel==0.1.0
 # Lua kernel (optional)
-jupyterlite-xeus-lua==0.3.1
+#jupyterlite-xeus-lua==0.3.1
 
 # JupyterLab: Fasta file renderer (optional)
 jupyterlab-fasta>=3.3.0,<4
@@ -31,7 +31,7 @@ jupyterlab-geojson>=3.4.0,<4
 # JupyterLab: dark theme
 jupyterlab-night
 # JupyterLab: Miami nights theme (optional)
-jupyterlab_miami_nights
+#jupyterlab_miami_nights
 
 # Python: ipywidget library for Jupyter notebooks (optional)
 ipywidgets>=8.1.1,<9