As we got an issue while doing downloads of curl -L -O https://dl.bintray.com/4commerce-technologies-ag/meteor-universal/arm_dev_bundles/dev_bundle_Linux_armv7l_0.5.16.tar.gz
that was happened too to the latest debian stable update A fix was to install a previous package of ca-certificates by downloading from pool and manual replacement with dpkg. Tom P.S. Read more about that issue on :: https://github.com/4commerce-technologies-AG/meteor/issues/37

