diff --git a/jupyter/venv/build_jupyter-2019a.2.sh b/jupyter/venv/build_jupyter-2019a.2.sh
index 96b2ea49cb69a99818f67864b775717fd668dbfe..5cd346d7dc68c1498c926e640a1052ab0b732c91 100644
--- a/jupyter/venv/build_jupyter-2019a.2.sh
+++ b/jupyter/venv/build_jupyter-2019a.2.sh
@@ -390,7 +390,7 @@ source ${BUILDDIR}/env.sh
     jupyter nbextensions_configurator enable --user
     jupyter nbextension enable codefolding/main --user
 
-    jupyter nbextension install jupyterlmod --py --user
+# not for HDF-Cloud    jupyter nbextension install jupyterlmod --py --user
 
     jupyter nbextension install widgetsnbextension --py --nbextensions=${JUPYTER_PATH}/nbextensions
     jupyter nbextension enable  widgetsnbextension --py --user
@@ -410,7 +410,7 @@ source ${BUILDDIR}/env.sh
     jupyter labextension install @jupyterlab/server-proxy@2.1.0 --no-build
 #    jupyter labextension install @jupyterlab/github@2.0.0 --no-build'
 #    jupyter labextension install @jupyterlab/latex@2.0.0 --no-build
-    jupyter labextension install @jupyterlab/git@2.0.0 --no-build
+    jupyter labextension install @jupyterlab/git@0.20.0 --no-build
     jupyter labextension install @jupyterlab/toc@4.0.0 --no-build
 
     jupyter labextension install jupyterlab-datawidgets@6.3.0 --no-build