diff --git a/10.0.Dockerfile b/10.0.Dockerfile
index 6b9b851e551e0f086888cc37b660e36b6afe68a9..938b40186bba5df7189a5b94ae6f4633feba4820 100644
--- a/10.0.Dockerfile
+++ b/10.0.Dockerfile
@@ -46,7 +46,7 @@ RUN set -x; \
         apt-get install -y --no-install-recommends ${APT_DEPS} &&\
         curl https://bootstrap.pypa.io/get-pip.py | python /dev/stdin &&\
         pip install -I -r https://raw.githubusercontent.com/OCA/OCB/10.0/requirements.txt &&\
-        pip install simplejson WTForms &&\
+        pip install simplejson WTForms Werkzeug==0.14.1 &&\
         apt-get -y purge ${APT_DEPS} &&\
         apt-get -y autoremove &&\
         rm -rf /var/lib/apt/lists/* wkhtmltox.deb
diff --git a/12.0.Dockerfile b/12.0.Dockerfile
index 2a08a0d9a370b3e13b16e8a73f389b5990f8ae97..c6e81dc94c5834aa635a801c4518a9f704b31a53 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 zxcvbn &&\
+        pip install simplejson WTForms zxcvbn phonenumbers Werkzeug==0.14.1 &&\
         apt-get -y purge ${APT_DEPS} &&\
         apt-get -y autoremove &&\
         rm -rf /var/lib/apt/lists/* wkhtmltox.deb