diff --git a/base-notebook/Dockerfile b/base-notebook/Dockerfile
index c42798f..870551f 100644
--- a/base-notebook/Dockerfile
+++ b/base-notebook/Dockerfile
@@ -14,13 +14,7 @@ RUN apt-get update && apt-get -yq dist-upgrade && \
         less \
         vim && \
     rm -rf /var/lib/apt/lists/* && \
-    pip install --no-cache-dir \
-        ipydeps \
-        jupyterlab_nbgallery \
-        jupyter_nbgallery  \
-        ipywidgets \
-        jupyter_console \
-        voila && \
+    pip install --no-cache-dir -r /etc/requirements.txt && \
     jupyter labextension disable @jupyterlab_nbgallery/autodownload && \
     jupyter labextension disable @jupyterlab_nbgallery/instrumentation && \
     echo '######################################## nbgallery configuration' && \
diff --git a/base-notebook/conf/etc/requirements.txt b/base-notebook/conf/etc/requirements.txt
new file mode 100644
index 0000000..97e275b
--- /dev/null
+++ b/base-notebook/conf/etc/requirements.txt
@@ -0,0 +1,7 @@
+ipydeps==2020.240.0
+ipywidgets==8.1.0
+jupyter-console==6.6.3
+jupyter-nbgallery==3.0.0
+jupyterlab_nbgallery==3.0.2
+voila==0.5.0
+