Update rubygems in travis (for bundler)

diff --git a/build-scripts/travis.sh b/build-scripts/travis.sh
index 7844a99945dfb71dee667b87a7a7be1091313669..7a5c1d25ea69759e56be4c6c9310d9e8cf55d276 100755 (executable)
--- a/build-scripts/travis.sh
+++ b/build-scripts/travis.sh
@@ -312,6 +312,7 @@ install_auth() {
     ruby-json \
     rubygems-integration \
     socat"
+  run "gem update --system"
   run "gem install bundler --no-rdoc --no-ri"
   run "cd modules/remotebackend"
   run "ruby -S bundle install"