Maven: Could not transfer artifact com.smartbear.soapui

I am unable to get the basic config working on http://www.soapui.org/Test-Automation/maven-2x.html

Can't get past the following (from the .lastUpdated... file):

http\://www.soapui.org/repository/maven2/.error=Could not transfer artifact com.smartbear.soapui\:soapui-maven-plugin\:pom\:4.6.1 from/to smartbear-plugin-repository (http\://www.soapui.org/repository/maven2/)\: Not authorized, ReasonPhrase\:Unauthorized.
http\://repo.maven.apache.org/maven2/.error=
default-http\://www.soapui.org/repository/maven2/.lastUpdated=1384289888298
da39a3ee5e6b4b0d3255bfef95601890afd80709@default-http\://www.soapui.org/repository/maven2/.lastUpdated=1384289696621