diff --git a/lib/jekyll/responsive_image/version.rb b/lib/jekyll/responsive_image/version.rb
index a094b92..fb1cb99 100644
--- a/lib/jekyll/responsive_image/version.rb
+++ b/lib/jekyll/responsive_image/version.rb
@@ -1,5 +1,5 @@
 module Jekyll
   module ResponsiveImage
-    VERSION = '1.0.0.pre3'.freeze
+    VERSION = '1.0.0.pre4'.freeze
   end
 end