diff --git a/12.0.Dockerfile b/12.0.Dockerfile
index 778e3361674d31516fb25b4647bbbe8da50b9c01..4e810c541d8baace30a561ecf43bc9bbc4fef9dc 100644
--- a/12.0.Dockerfile
+++ b/12.0.Dockerfile
@@ -41,7 +41,7 @@ RUN set -x; \
         apt-get install -y --no-install-recommends ${APT_DEPS} &&\
         curl https://bootstrap.pypa.io/get-pip.py | python3 /dev/stdin &&\
         pip install -I -r https://raw.githubusercontent.com/OCA/OCB/12.0/requirements.txt &&\
-        pip install simplejson WTForms &&\
+        pip install simplejson WTForms zxcvbn &&\
         apt-get -y purge ${APT_DEPS} &&\
         apt-get -y autoremove &&\
         rm -rf /var/lib/apt/lists/* wkhtmltox.deb