diff --git a/Gemfile.lock b/Gemfile.lock
index 09493d4..ee1baff 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -54,7 +54,7 @@ GEM
       omniauth (~> 1.9)
     public_suffix (3.0.3)
     rack (2.0.8)
-    rake (10.5.0)
+    rake (13.0.1)
     rspec (3.8.0)
       rspec-core (~> 3.8.0)
       rspec-expectations (~> 3.8.0)
@@ -89,7 +89,7 @@ PLATFORMS
 DEPENDENCIES
   bundler (~> 1.16)
   omniauth-keycloak!
-  rake (~> 10.0)
+  rake (~> 13.0)
   rspec (~> 3.0)
   simplecov (~> 0.16.1)
   webmock (~> 3.4.2)
diff --git a/omniauth-keycloak.gemspec b/omniauth-keycloak.gemspec
old mode 100755
new mode 100644
index 930d361..324d922
--- a/omniauth-keycloak.gemspec
+++ b/omniauth-keycloak.gemspec
@@ -28,7 +28,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'json-jwt', '~> 1.11'
 
   spec.add_development_dependency "bundler", "~> 1.16"
-  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 'simplecov', '~> 0.16.1'
   spec.add_development_dependency 'webmock', '~> 3.4.2'