diff --git a/docker/notebook/Dockerfile b/docker/notebook/Dockerfile
index e1563654e5b5d933a9990e1252b0bcb70b591118..01098d848c08ab4daaf0ba96908f247a97a69368 100644
--- a/docker/notebook/Dockerfile
+++ b/docker/notebook/Dockerfile
@@ -1,7 +1,7 @@
 FROM registry.gitlab.inria.fr/memphis/neos:latest
 
 USER root
-RUN apt-get update && apt-get install -y apache2 apache2-dev libgl1-mesa-dev xvfb
+RUN apt-get update && apt-get install -y apache2 apache2-dev libgl1-mesa-dev xvfb ca-certificates
 
 RUN curl -sL https://deb.nodesource.com/setup_current.x | sudo -E bash - && \
     apt install -y nodejs