diff --git a/Gemfile.lock b/Gemfile.lock
index a74c81e..77fe59e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -35,7 +35,7 @@ GEM
     execjs (2.7.0)
     fast_blank (1.0.0)
     fastimage (2.1.0)
-    ffi (1.9.18)
+    ffi (1.12.2)
     haml (4.0.7)
       tilt
     hamster (3.0.0)