diff --git a/lib/rack.rb b/lib/rack.rb
index 6069ecea0..aaeac7801 100644
--- a/lib/rack.rb
+++ b/lib/rack.rb
@@ -20,7 +20,7 @@ def self.version
 
   # Return the Rack release as a dotted string.
   def self.release
-    "1.6.7"
+    "1.6.8"
   end
   PATH_INFO      = 'PATH_INFO'.freeze
   REQUEST_METHOD = 'REQUEST_METHOD'.freeze
diff --git a/rack.gemspec b/rack.gemspec
index 8054427ec..1793c70d1 100644
--- a/rack.gemspec
+++ b/rack.gemspec
@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name            = "rack"
-  s.version         = "1.6.7"
+  s.version         = "1.6.8"
   s.platform        = Gem::Platform::RUBY
   s.summary         = "a modular Ruby webserver interface"
   s.license         = "MIT"