diff --git a/Gemfile.lock b/Gemfile.lock
index f908f7c..a63cb69 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -44,7 +44,7 @@ GEM
     pathutil (0.14.0)
       forwardable-extended (~> 2.6)
     public_suffix (2.0.4)
-    rake (10.1.0)
+    rake (12.3.3)
     rb-fsevent (0.9.8)
     rb-inotify (0.9.7)
       ffi (>= 0.5.0)
@@ -58,7 +58,7 @@ PLATFORMS
 DEPENDENCIES
   brume!
   bundler (~> 1.12)
-  rake (~> 10.0)
+  rake (~> 12.3)
 
 BUNDLED WITH
    1.13.7
diff --git a/brume.gemspec b/brume.gemspec
old mode 100755
new mode 100644
index 3939d03..159c961
--- a/brume.gemspec
+++ b/brume.gemspec
@@ -15,5 +15,5 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency "jekyll", "~> 3.4"
 
   spec.add_development_dependency "bundler", "~> 1.12"
-  spec.add_development_dependency "rake", "~> 10.0"
+  spec.add_development_dependency "rake", "~> 12.3"
 end