diff --git a/lib/vips/thumbnail/version.rb b/lib/vips/thumbnail/version.rb
index c611080..549ece7 100644
--- a/lib/vips/thumbnail/version.rb
+++ b/lib/vips/thumbnail/version.rb
@@ -20,6 +20,6 @@
 
 module Vips
 	module Thumbnail
-		VERSION = "1.1.0"
+		VERSION = "1.2.0"
 	end
 end
diff --git a/vips-thumbnail.gemspec b/vips-thumbnail.gemspec
index 7e1bbb3..3d59462 100644
--- a/vips-thumbnail.gemspec
+++ b/vips-thumbnail.gemspec
@@ -16,7 +16,7 @@ Gem::Specification.new do |spec|
 	
 	spec.require_paths = ["lib"]
 
-	spec.add_dependency "ruby-vips", "~> 1.0"
+	spec.add_dependency "ruby-vips", "~> 2.0"
 
 	spec.add_development_dependency "bundler", "~> 1.14"
 	spec.add_development_dependency "rake", "~> 10.0"