diff --git a/cypress/Dockerfile b/cypress/Dockerfile
index 487cf61..ff4a0ff 100644
--- a/cypress/Dockerfile
+++ b/cypress/Dockerfile
@@ -1,22 +1,20 @@
 ARG REGISTRY=swh-jenkins
-FROM $REGISTRY/base-buster
+FROM $REGISTRY/tox
 LABEL maintainer="SoftwareHeritage"
 USER root
 
 RUN \
   export DEBIAN_FRONTEND=noninteractive && \
   apt-get update && \
   apt-get install -y \
     libgtk2.0-0 \
     libnotify-dev \
     libgconf-2-4 \
     libnss3 \
     libxss1 \
     libasound2 \
     xvfb \
     wait-for-it && \
   rm -rf /var/lib/apt/lists/*
 
 USER jenkins
-
-RUN python3 -m pip install --user pyarcanist