diff --git a/Gemfile.lock b/Gemfile.lock
index 0d4ba7d..3a63eec 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -155,7 +155,7 @@ GEM
       i18n (>= 1.8.11, < 2)
     faraday (0.17.5)
       multipart-post (>= 1.2, < 3)
-    ffi (1.13.1)
+    ffi (1.15.5)
     figaro (1.2.0)
       thor (>= 0.14.0, < 2)
     globalid (1.1.0)