diff --git a/.travis.yml b/.travis.yml
index a40ef5a..b83b523 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,4 +11,9 @@ branches:
     - stdin
     - jruby_on_travis
 notifications:
+  recipients:
+    - thibaud@thibaud.me
+    - rymai@rymai.me
+    - michi@netzpiraten.ch
+    - yann.lugrin@sans-savoir.net
   irc: "irc.freenode.org#guard"
diff --git a/Rakefile b/Rakefile
index d1b2f28..c64d98e 100644
--- a/Rakefile
+++ b/Rakefile
@@ -39,8 +39,8 @@ namespace(:spec) do
                    echo "`ruby -v`";
                    for ((c=1; c<$ruby_version_string_size; c++)); do echo -n "="; done
                    echo;
-                   bundle install;
-                   bundle exec rspec spec -f doc 2>&1;'
+                   RBXOPT="-Xrbc.db" bundle install;
+                   RBXOPT="-Xrbc.db" bundle exec rspec spec -f doc 2>&1;'
         BASH
       end
     end