diff --git a/rotoscope.gemspec b/rotoscope.gemspec
index 1ac8ed1..fa37ad7 100644
--- a/rotoscope.gemspec
+++ b/rotoscope.gemspec
@@ -26,5 +26,5 @@ Gem::Specification.new do |s|
 
   s.add_development_dependency("minitest", "~> 5.0")
   s.add_development_dependency("mocha", "~> 0.14")
-  s.add_development_dependency("rake-compiler", "~> 0.9")
+  s.add_development_dependency("rake-compiler", "~> 1.2")
 end