diff --git a/Gemfile.lock b/Gemfile.lock
index 80e8f3b..805eeae 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,7 +4,7 @@ GEM
     celluloid (0.15.2)
       timers (~> 1.1.0)
     coderay (1.1.0)
-    ffi (1.9.3)
+    ffi (1.11.1)
     formatador (0.2.5)
     guard (2.6.1)
       formatador (>= 0.2.4)