diff --git a/Gemfile.lock b/Gemfile.lock
index 808f2c3..d737814 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,8 +2,8 @@ GEM
   remote: https://rubygems.org/
   specs:
     colorator (1.1.0)
-    ffi (1.9.14)
-    ffi (1.9.14-java)
+    ffi (1.11.3)
+    ffi (1.11.3-java)
     forwardable-extended (2.6.0)
     jekyll (3.2.1)
       colorator (~> 1.0)