diff --git a/example/Gemfile.lock b/example/Gemfile.lock
index 01a53ea..62b2b3c 100644
--- a/example/Gemfile.lock
+++ b/example/Gemfile.lock
@@ -1,5 +1,5 @@
 PATH
-  remote: ../
+  remote: ..
   specs:
     omniauth-facebook (2.0.0)
       omniauth-oauth2 (~> 1.2)
@@ -7,47 +7,52 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    backports (3.3.5)
-    faraday (0.9.0)
-      multipart-post (>= 1.2, < 3)
-    hashie (3.2.0)
-    jwt (1.0.0)
-    multi_json (1.8.2)
-    multi_xml (0.5.5)
-    multipart-post (2.0.0)
-    oauth2 (1.0.0)
-      faraday (>= 0.8, < 0.10)
-      jwt (~> 1.0)
-      multi_json (~> 1.3)
+    faraday (2.7.1)
+      faraday-net_http (>= 2.0, < 3.1)
+      ruby2_keywords (>= 0.0.4)
+    faraday-net_http (3.0.2)
+    hashie (5.0.0)
+    jwt (2.5.0)
+    multi_json (1.15.0)
+    multi_xml (0.6.0)
+    mustermann (3.0.0)
+      ruby2_keywords (~> 0.0.1)
+    oauth2 (2.0.9)
+      faraday (>= 0.17.3, < 3.0)
+      jwt (>= 1.0, < 3.0)
       multi_xml (~> 0.5)
-      rack (~> 1.2)
-    omniauth (1.2.2)
-      hashie (>= 1.2, < 4)
-      rack (~> 1.0)
-    omniauth-oauth2 (1.2.0)
-      faraday (>= 0.8, < 0.10)
-      multi_json (~> 1.3)
-      oauth2 (~> 1.0)
-      omniauth (~> 1.2)
-    rack (1.5.2)
-    rack-protection (1.5.1)
+      rack (>= 1.2, < 4)
+      snaky_hash (~> 2.0)
+      version_gem (~> 1.1)
+    omniauth (2.1.0)
+      hashie (>= 3.4.6)
+      rack (>= 2.2.3)
+      rack-protection
+    omniauth-oauth2 (1.8.0)
+      oauth2 (>= 1.4, < 3)
+      omniauth (~> 2.0)
+    rack (2.2.4)
+    rack-protection (3.0.4)
       rack
-    rack-test (0.6.2)
-      rack (>= 1.0)
-    sinatra (1.4.4)
-      rack (~> 1.4)
-      rack-protection (~> 1.4)
-      tilt (~> 1.3, >= 1.3.4)
-    sinatra-contrib (1.4.2)
-      backports (>= 2.0)
+    ruby2_keywords (0.0.5)
+    sinatra (3.0.4)
+      mustermann (~> 3.0)
+      rack (~> 2.2, >= 2.2.4)
+      rack-protection (= 3.0.4)
+      tilt (~> 2.0)
+    sinatra-contrib (3.0.4)
       multi_json
-      rack-protection
-      rack-test
-      sinatra (~> 1.4.0)
-      tilt (~> 1.3)
+      mustermann (~> 3.0)
+      rack-protection (= 3.0.4)
+      sinatra (= 3.0.4)
+      tilt (~> 2.0)
     sinatra-reloader (1.0)
       sinatra-contrib
-    tilt (1.4.1)
+    snaky_hash (2.0.1)
+      hashie
+      version_gem (~> 1.1, >= 1.1.1)
+    tilt (2.0.11)
+    version_gem (1.1.1)
 
 PLATFORMS
   ruby