diff --git a/auth b/auth
index 1b4293e0b1476dab0214c2da1075aba0fd836bc2..0f6107eadd2033e35a5aa62e94838a2090b71f06 160000
--- a/auth
+++ b/auth
@@ -1 +1 @@
-Subproject commit 1b4293e0b1476dab0214c2da1075aba0fd836bc2
+Subproject commit 0f6107eadd2033e35a5aa62e94838a2090b71f06
diff --git a/helios b/helios
index 8653d35324dcd97ffec612f99854b3ce82ff7551..ab6991d1c220c9200266af7cf16af8f9163eff30 160000
--- a/helios
+++ b/helios
@@ -1 +1 @@
-Subproject commit 8653d35324dcd97ffec612f99854b3ce82ff7551
+Subproject commit ab6991d1c220c9200266af7cf16af8f9163eff30
diff --git a/settings.py.sample b/settings.py.sample
index 42fc18e2dbf812c6aee913616a07984f314180fb..b145fc627c64850bf4d7d5b7fbb70a22d02e3415 100644
--- a/settings.py.sample
+++ b/settings.py.sample
@@ -121,10 +121,18 @@ HELIOS_ADMIN = None
 HELIOS_VOTERS_UPLOAD = True
 HELIOS_VOTERS_EMAIL = True
 
-# authentication limited to passwords
-AUTH_ENABLED_AUTH_SYSTEMS = ['password','facebook','twitter']
+# authentication systems enabled
+AUTH_ENABLED_AUTH_SYSTEMS = ['password','facebook','twitter', 'google', 'yahoo']
 AUTH_DEFAULT_AUTH_SYSTEM = None
 
+# facebook
+FACEBOOK_API_KEY = ''
+FACEBOOK_API_SECRET = ''
+
+# twitter
+TWITTER_API_KEY = ''
+TWITTER_API_SECRET = ''
+
 # email server
 EMAIL_HOST = 'localhost'
 EMAIL_PORT = 1025