diff --git a/redactor2_rails.gemspec b/redactor2_rails.gemspec
old mode 100755
new mode 100644
index eab6143..d7ca839
--- a/redactor2_rails.gemspec
+++ b/redactor2_rails.gemspec
@@ -24,5 +24,5 @@ Gem::Specification.new do |spec|
   spec.add_dependency('orm_adapter')
 
   spec.add_development_dependency 'bundler', '~> 1.10'
-  spec.add_development_dependency 'rake', '~> 10.0'
+  spec.add_development_dependency 'rake', '~> 12.3'
 end