diff --git a/Gemfile.lock b/Gemfile.lock
index d11fd70..c5f1210 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 GIT
   remote: git@github.com:alphagov/google-auth-bridge.git
-  revision: 61b3d98bb8139c9ece885ae336619b34c46e583d
+  revision: f641ca1e1f9eded25456e3af0099d694f9e654a5
   specs:
-    google-auth-bridge (0.0.1)
+    google-auth-bridge (0.0.2)
       google-api-client
       oauth2
 
@@ -12,11 +12,11 @@ GEM
     activesupport (3.2.6)
       i18n (~> 0.6)
       multi_json (~> 1.0)
-    addressable (2.2.8)
-    autoparse (0.2.3)
-      addressable (~> 2.2.2)
+    addressable (2.3.2)
+    autoparse (0.3.2)
+      addressable (>= 2.3.1)
       extlib (>= 0.9.15)
-      json (>= 1.4.6)
+      multi_json (>= 1.0.0)
     builder (3.0.0)
     bunny (0.8.0)
     chronic (0.6.7)
@@ -24,30 +24,28 @@ GEM
       builder (>= 2.1.2)
     diff-lcs (1.1.3)
     extlib (0.9.15)
-    faraday (0.8.1)
+    faraday (0.8.4)
       multipart-post (~> 1.1)
     gli (1.6.0)
-    google-api-client (0.3.0)
-      addressable (~> 2.2.2)
-      autoparse (~> 0.2.0)
+    google-api-client (0.4.5)
+      addressable (>= 2.3.2)
+      autoparse (>= 0.3.2)
       extlib (>= 0.9.15)
-      httpadapter (~> 1.0.1)
-      json (>= 1.4.6)
-      launchy (>= 2.0.0)
-      signet (~> 0.2.2)
+      faraday (~> 0.8.1)
+      launchy (>= 2.1.1)
+      multi_json (>= 1.0.0)
+      signet (>= 0.4.1)
+      uuidtools (>= 2.1.0)
     google_drive (0.3.1)
       nokogiri (>= 1.4.4, != 1.5.2, != 1.5.1)
       oauth (>= 0.3.6)
       oauth2 (>= 0.5.0)
-    httpadapter (1.0.1)
-      addressable (~> 2.2.0)
     httpauth (0.1)
     i18n (0.6.0)
-    json (1.7.4)
     jwt (0.1.5)
       multi_json (>= 1.0)
-    launchy (2.1.0)
-      addressable (~> 2.2.6)
+    launchy (2.1.2)
+      addressable (~> 2.3)
     metaclass (0.0.1)
     mocha (0.10.5)
       metaclass (~> 0.0.1)
@@ -71,11 +69,12 @@ GEM
     rspec-expectations (2.11.2)
       diff-lcs (~> 1.1.3)
     rspec-mocks (2.11.1)
-    signet (0.2.4)
-      addressable (~> 2.2.1)
-      httpadapter (~> 1.0.0)
-      json (>= 1.4.6)
-      jwt (>= 0.1.4)
+    signet (0.4.1)
+      addressable (>= 2.2.3)
+      faraday (~> 0.8.1)
+      jwt (>= 0.1.5)
+      multi_json (>= 1.0.0)
+    uuidtools (2.1.3)
     whenever (0.7.3)
       activesupport (>= 2.3.4)
       chronic (~> 0.6.3)
diff --git a/lib/narrative.rb b/lib/narrative.rb
index 8233145..b9b3294 100644
--- a/lib/narrative.rb
+++ b/lib/narrative.rb
@@ -66,11 +66,16 @@ def response
 
     def get_worksheet(authorization_code)
       key = ENV['WORKSHEET'] || '0AhRGSTCqlCiqdDNiVXFsdmh6RVV5N1lENE14X3lTcmc'
-      authentication = GoogleAuthenticationBridge::GoogleAuthentication.create_from_config_file(API_SCOPE, '/var/tmp/google_credentials.yml')
-      token = authentication.get_oauth2_access_token(authorization_code)
+      token = get_google_auth.get_oauth2_access_token(authorization_code)
       session = GoogleDrive.login_with_oauth(token)
       session.spreadsheet_by_key(key).worksheets[0]
     end
 
+    def get_google_auth
+      GoogleAuthenticationBridge::GoogleAuthentication.create_from_config_file(
+        API_SCOPE, '/etc/gds/google_credentials.yml', "/var/lib/gds/google-drive-token.yml"
+      )
+    end
+
   end
 end