diff --git a/VERSION b/VERSION
index d71436d2..0d3cc9ba 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.0.0.rc3
+2.0.0.rc4
diff --git a/lib/sinatra/version.rb b/lib/sinatra/version.rb
index 9956d19a..a891fcf7 100644
--- a/lib/sinatra/version.rb
+++ b/lib/sinatra/version.rb
@@ -1,3 +1,3 @@
 module Sinatra
-  VERSION = '2.0.0.rc3'
+  VERSION = '2.0.0.rc4'
 end
diff --git a/rack-protection/lib/rack/protection/version.rb b/rack-protection/lib/rack/protection/version.rb
index bce12fb8..360a8885 100644
--- a/rack-protection/lib/rack/protection/version.rb
+++ b/rack-protection/lib/rack/protection/version.rb
@@ -1,5 +1,5 @@
 module Rack
   module Protection
-    VERSION = '2.0.0.rc3'
+    VERSION = '2.0.0.rc4'
   end
 end
diff --git a/sinatra-contrib/lib/sinatra/contrib/version.rb b/sinatra-contrib/lib/sinatra/contrib/version.rb
index 01c6cb30..42eaedc7 100644
--- a/sinatra-contrib/lib/sinatra/contrib/version.rb
+++ b/sinatra-contrib/lib/sinatra/contrib/version.rb
@@ -1,6 +1,6 @@
 module Sinatra
   module Contrib
-    VERSION = '2.0.0.rc3'
+    VERSION = '2.0.0.rc4'
   end
 end