diff --git a/Gemfile.lock b/Gemfile.lock
index 01c8094..88b0cfd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -13,8 +13,8 @@ GEM
     crack (0.4.2)
       safe_yaml (~> 1.0.0)
     diff-lcs (1.2.5)
-    ffi (1.9.0)
-    ffi (1.9.0-java)
+    ffi (1.11.1)
+    ffi (1.11.1-java)
     formatador (0.2.4)
     guard (1.8.1)
       formatador (>= 0.2.4)