rubygems 1.8.17 should be fine

.rvmrc

@@ -7,6 +7,6 @@ else
   rvm --create use ruby-1.9.2-p290@diaspora
 fi
 
-if [ "$(gem --version)" != "1.8.15" ]; then
-  rvm rubygems 1.8.15
+if [ "$(gem --version)" != "1.8.17" ]; then
+  rvm rubygems 1.8.17
 fi

script/ci/before_install.sh

 #!/bin/bash
 
 # Ensure known RubyGems version
-if [ "$(gem --version)" != "1.8.15" ]; then
+if [ "$(gem --version)" != "1.8.17" ]; then
   echo "RubyGems version is $(gem --version). Changing..."
-  rvm rubygems 1.8.15
+  rvm rubygems 1.8.17
   echo "Changed RubyGems version to $(gem --version)."
-fi
+fi
\ No newline at end of file