diff --git a/Gemfile b/Gemfile
index a1989dc..3860e44 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ source 'https://rubygems.org'
 
 gemspec name: 'recog'
 
-gem 'ffi', '1.16.3'
+gem 'ffi', '1.17.0'
 gem 'nokogiri'
 
 group :test do