diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8fb1efc..45f8369 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 1.6.0 (Unreleased)
+## 1.6.0.rc1 (Unreleased)
 
 Features:
 
diff --git a/example/Gemfile.lock b/example/Gemfile.lock
index da923f2..50f5617 100644
--- a/example/Gemfile.lock
+++ b/example/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ../
   specs:
-    omniauth-facebook (1.5.1)
+    omniauth-facebook (1.6.0.rc1)
       omniauth-oauth2 (~> 1.1)
 
 GEM
@@ -27,14 +27,14 @@ GEM
     omniauth-oauth2 (1.1.1)
       oauth2 (~> 0.8.0)
       omniauth (~> 1.0)
-    rack (1.4.1)
-    rack-protection (1.2.0)
+    rack (1.5.2)
+    rack-protection (1.5.1)
       rack
-    sinatra (1.3.2)
-      rack (~> 1.3, >= 1.3.6)
-      rack-protection (~> 1.2)
-      tilt (~> 1.3, >= 1.3.3)
-    tilt (1.3.3)
+    sinatra (1.4.4)
+      rack (~> 1.4)
+      rack-protection (~> 1.4)
+      tilt (~> 1.3, >= 1.3.4)
+    tilt (1.4.1)
 
 PLATFORMS
   ruby
diff --git a/lib/omniauth/facebook/version.rb b/lib/omniauth/facebook/version.rb
index a730975..bdf2faa 100644
--- a/lib/omniauth/facebook/version.rb
+++ b/lib/omniauth/facebook/version.rb
@@ -1,5 +1,5 @@
 module OmniAuth
   module Facebook
-    VERSION = "1.5.1"
+    VERSION = "1.6.0.rc1"
   end
 end