diff --git a/docker-test/Dockerfile b/docker-test/Dockerfile
index 577e120..e5f4d4e 100644
--- a/docker-test/Dockerfile
+++ b/docker-test/Dockerfile
@@ -1,11 +1,11 @@
-FROM debian:stretch-slim
+FROM debian:stable-slim
 LABEL maintainer="k@ndk.name"
 
 ENV LC_ALL=en_US.UTF-8 LANG=en_US.UTF-8 LANGUAGE=en_US.UTF-8
 
 RUN apt-get update -y \
-    && apt-get install -y --no-install-recommends apt-transport-https locales locales-all python3-pip python3-setuptools python3-dev curl libsasl2-dev libldap2-dev libssl-dev libxml2-dev libxslt1-dev libxmlsec1-dev libffi-dev build-essential libmariadb-dev-compat \
-    && curl -sL https://deb.nodesource.com/setup_10.x | bash - \
+    && apt-get install -y --no-install-recommends apt-transport-https locales locales-all python3-pip python3-setuptools python3-dev curl libsasl2-dev libldap2-dev libssl-dev libxml2-dev libxslt1-dev libxmlsec1-dev libffi-dev libxmlsec1-openssl pkg-config build-essential libmariadb-dev-compat \
+    && curl -sL https://deb.nodesource.com/setup_lts.x | bash - \
     && curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - \
     && echo "deb https://dl.yarnpkg.com/debian/ stable main" > /etc/apt/sources.list.d/yarn.list \
     && apt-get update -y \
diff --git a/requirements.txt b/requirements.txt
index 1fc2864..6415116 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,6 +20,7 @@ rjsmin==1.2.0
 Authlib==0.15
 Flask-SeaSurf==1.1.1
 bravado-core==5.17.0
+jsonschema[format]>=2.5.1,<4.0.0 # until https://github.com/Yelp/bravado-core/pull/385
 lima==0.5
 pytest==6.1.1
 pytimeparse==1.1.8