issues when installing nodejs for suse

I need to install npm in my suse distribution, so naturally I followed https://software.opensuse.org/download.html?project=devel%3Alanguages%3Anodejs&package=nodejs and https://nodejs.org/en/download/package-manager/#opensuse-and-sle but I got the same error and I didn't find out a way to fix it. **Details** $ rpm -qf /etc/SuSE-release /etc/issue sles-release-11.4-1.109 $ sudo zypper ar http://download.opensuse.org/repositories/devel:/languages:/nodejs/SLE_11_SP4/ Node.js $ sudo zypper refresh $ sudo zypper clean $ sudo zypper update $ sudo zypper install nodejs > Loading repository data... Reading installed packages... Resolving > package dependencies... > > Problem: nothing provides openssl1 needed by nodejs-6.9.1-130.1.x86_64 > Solution 1: do not install nodejs-6.9.1-130.1.x86_64 Solution 2: > break nodejs-6.9.1-130.1.x86_64 by ignoring some of its dependencies > > Choose from above solutions by number or cancel [1/2/c] (c):