diff --git a/Gemfile.lock b/Gemfile.lock
index 710310b..c725036 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -37,7 +37,7 @@ GEM
     execjs (2.7.0)
     fast_blank (1.0.0)
     fastimage (2.1.1)
-    ffi (1.9.23)
+    ffi (1.13.1)
     haml (5.0.4)
       temple (>= 0.8.0)
       tilt