diff --git a/Gemfile.lock b/Gemfile.lock
index ac755df..fa520d6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -32,7 +32,7 @@ GEM
     multi_json (1.0.3)
     plucky (0.3.8)
       mongo (~> 1.3)
-    rake (0.8.7)
+    rake (13.0.1)
     rspec (2.6.0)
       rspec-core (~> 2.6.0)
       rspec-expectations (~> 2.6.0)
@@ -52,6 +52,6 @@ DEPENDENCIES
   bson_ext (~> 1.3.0)
   mongo_mapper (~> 0.9.0)
   openhood-simple_state_machine!
-  rake (~> 0.8.7)
+  rake (~> 13.0.1)
   rspec (~> 2.6.0)
   sqlite3
diff --git a/simple_state_machine.gemspec b/simple_state_machine.gemspec
index 6c00656..62840e0 100644
--- a/simple_state_machine.gemspec
+++ b/simple_state_machine.gemspec
@@ -17,7 +17,7 @@ Gem::Specification.new do |s|
   s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
   s.require_paths = ["lib"]
 
-  s.add_development_dependency("rake", ["~> 0.8.7"])
+  s.add_development_dependency("rake", "~> 13.0.1")
   s.add_development_dependency("rspec", ["~> 2.6.0"])
   s.add_development_dependency("sqlite3")
   s.add_development_dependency("activerecord", [">= 3.0.0"])