diff --git a/Gemfile.lock b/Gemfile.lock
index f97876f..c603e30 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -77,7 +77,7 @@ GEM
       warden (~> 1.2.3)
     erubi (1.7.0)
     execjs (2.7.0)
-    ffi (1.9.21)
+    ffi (1.12.2)
     globalid (0.4.1)
       activesupport (>= 4.2.0)
     i18n (0.9.5)