diff --git a/CHANGELOG.md b/CHANGELOG.md
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..ba731a419b1c7e67445e1e3427649123c0b3edf7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -0,0 +1,11 @@
+<a name="0.1.0"></a>
+### 0.1.0 (2017-01-15)
+
+
+#### Features
+
+* use latest rbsso with checks for expiry and service_id	 ([ae91d93](/../../commit/ae91d93))
+* initial Omniauth Strategy	 ([925f544](/../../commit/925f544))
+
+
+
diff --git a/README.md b/README.md
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..b5c9d779cb07c7dd8f7f277cb1bdb1085d50cc31 100644
--- a/README.md
+++ b/README.md
@@ -0,0 +1,5 @@
+Omniauth Strategy to use autistici / inventati sso.
+
+Used like other omniauth strategies. Requires a key to validate signatures and a service_id to identify the service itself.
+
+The constructor takes the service_id and the verification key as parameters. In comparison with other services they replace the id and the secret provided by the IDP.
diff --git a/omniauth-sso.gemspec b/omniauth-sso.gemspec
index 4f323b6708f7aaba466b07cc55f9183743731b6c..4701f8413bacb91a829e251dc494010fd868f557 100644
--- a/omniauth-sso.gemspec
+++ b/omniauth-sso.gemspec
@@ -11,7 +11,7 @@ Omniauth strategy for "ai's sso"(https://git.autistici.org/ai/sso) based on rbss
   s.homepage    = 'https://0xacab.org/riseup/omniauth-sso'
 
   s.add_runtime_dependency 'omniauth', '~> 1.3'
-  s.add_runtime_dependency 'rbsso', '~> 0.2.2'
+  s.add_runtime_dependency 'rbsso', '~> 0.3.0'
 
   s.add_development_dependency 'rake', '>= 10', '< 13'
   s.add_development_dependency 'minitest', '~>5.0'
diff --git a/test/omniauth/strategies/sso_test.rb b/test/omniauth/strategies/sso_test.rb
index 04e5783ef7e80d0cf3a90153c55782c6c0804d34..f84c66cf9e9028de08a37ea1a7f3983ed8d0056f 100644
--- a/test/omniauth/strategies/sso_test.rb
+++ b/test/omniauth/strategies/sso_test.rb
@@ -49,7 +49,7 @@ class OmniAuth::Strategies::SSOTest < Minitest::Test
 
   def test_wrong_service
     assert_raises RuntimeError do
-      post '/auth/sso/callback', t: server.ticket(user, 'other_service', domain)
+      post '/auth/sso/callback', t: ticket_for_other_service
     end
     assert_nil auth_hash
   end
@@ -64,6 +64,10 @@ class OmniAuth::Strategies::SSOTest < Minitest::Test
     end
   end
 
+  def ticket_for_other_service
+    server.ticket user: user, service: 'other_service', domain: domain
+  end
+
   # We modify the content of the ticket so the signature becomes invalid.
   # It still should have the right length and be Base64 compatible.
   def invalid_ticket
@@ -77,7 +81,7 @@ class OmniAuth::Strategies::SSOTest < Minitest::Test
   end
 
   def ticket
-    server.ticket(user, service, domain)
+    server.ticket(user: user, service: service, domain: domain)
   end
 
   def server; RbSSO::Server.new seed; end