diff --git a/Gemfile.lock b/Gemfile.lock
index 584427e..dc6c1f6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -23,8 +23,7 @@ GEM
     ast (2.4.0)
     backports (3.15.0)
     builder (3.2.3)
-    childprocess (2.0.0)
-      rake (< 13.0)
+    childprocess (1.0.0)
     claide (1.0.2)
     claide-plugins (0.9.2)
       cork
@@ -115,7 +114,7 @@ GEM
       method_source (~> 0.9.0)
     public_suffix (3.1.1)
     rainbow (3.0.0)
-    rake (10.5.0)
+    rake (13.0.1)
     rspec (3.8.0)
       rspec-core (~> 3.8.0)
       rspec-expectations (~> 3.8.0)
@@ -173,7 +172,7 @@ DEPENDENCIES
   ios_icon_generator!
   phashion
   pry
-  rake (~> 10.0)
+  rake (~> 13.0)
   rspec (~> 3.0)
   rubocop (~> 0.64.0)
   ruby-debug-ide (= 0.6.1)
diff --git a/ios_icon_generator.gemspec b/ios_icon_generator.gemspec
index 0f1a56a..a49aa0e 100644
--- a/ios_icon_generator.gemspec
+++ b/ios_icon_generator.gemspec
@@ -32,7 +32,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'debase', '= 0.2.2'
   spec.add_development_dependency 'phashion'
   spec.add_development_dependency 'pry'
-  spec.add_development_dependency 'rake', '~> 10.0'
+  spec.add_development_dependency 'rake', '~> 13.0'
   spec.add_development_dependency 'rspec', '~> 3.0'
   spec.add_development_dependency 'rubocop', '~> 0.64.0'
   spec.add_development_dependency 'ruby-debug-ide', '= 0.6.1'