diff --git a/Gemfile.lock b/Gemfile.lock
index b0c541d..e61a6bd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -5,7 +5,7 @@ PATH
       cucumber (~> 2.4.0)
       httparty (~> 0.18.0)
       json-schema (~> 2.6)
-      rake (~> 10.0)
+      rake (>= 10, < 14)
       test-unit
 
 GEM
@@ -55,7 +55,7 @@ GEM
       pry (~> 0.10)
     public_suffix (4.0.4)
     rainbow (2.1.0)
-    rake (10.5.0)
+    rake (13.0.1)
     rubocop (0.40.0)
       parser (>= 2.3.1.0, < 3.0)
       powerpack (~> 0.1)
diff --git a/specr.gemspec b/specr.gemspec
index 6d4d37f..b0731d8 100644
--- a/specr.gemspec
+++ b/specr.gemspec
@@ -23,7 +23,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'httparty', '~> 0.18.0'
   spec.add_dependency 'json-schema', '~> 2.6'
   spec.add_dependency 'test-unit'
-  spec.add_dependency 'rake', '~> 10.0'
+  spec.add_dependency 'rake', '>= 10', '< 14'
 
   spec.add_development_dependency 'bundler', '~> 1.10'
   spec.add_development_dependency 'pry-byebug'