diff --git a/.build/Dockerfile b/.build/Dockerfile
index c0c6034..9223fe3 100755
--- a/.build/Dockerfile
+++ b/.build/Dockerfile
@@ -460,7 +460,7 @@ RUN set -ex \
 # Install various extensions
 RUN fix-permissions $CONDA_DIR
 
-RUN jupyter labextension install @jupyterlab/github
+# RUN jupyter labextension install @jupyterlab/github
 # RUN pip install jupyterlab-git
 RUN pip install jupyterlab-drawio
 RUN jupyter nbextension enable --py --sys-prefix ipyleaflet
diff --git a/src/Dockerfile.usefulpackages b/src/Dockerfile.usefulpackages
index 8c0da40..5af3ad7 100644
--- a/src/Dockerfile.usefulpackages
+++ b/src/Dockerfile.usefulpackages
@@ -16,7 +16,7 @@ RUN set -ex \
 # Install various extensions
 RUN fix-permissions $CONDA_DIR
 
-RUN jupyter labextension install @jupyterlab/github
+# RUN jupyter labextension install @jupyterlab/github
 # RUN pip install jupyterlab-git
 RUN pip install jupyterlab-drawio
 RUN jupyter nbextension enable --py --sys-prefix ipyleaflet