diff --git a/Gemfile.lock b/Gemfile.lock
index fd288f2..343a089 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -27,7 +27,7 @@ GEM
     execjs (2.7.0)
     fast_blank (1.0.0)
     fastimage (2.1.0)
-    ffi (1.9.18)
+    ffi (1.15.3)
     haml (5.0.2)
       temple (>= 0.8.0)
       tilt