diff --git a/Gemfile b/Gemfile
old mode 100755
new mode 100644
index 8ff2b3d38fe0..02e471fbeb7f
--- a/Gemfile
+++ b/Gemfile
@@ -17,7 +17,7 @@ group :development do
   # for development and testing purposes
   gem 'pry-byebug'
   # module documentation
-  gem 'octokit'
+  gem 'octokit', '>= 4.21.0'
   # memory profiling
   gem 'memory_profiler'
   # cpu profiling