diff --git a/Gemfile.lock b/Gemfile.lock
index 906bdbc467c7f79442de3aa3001d775734b273c1..711f337ed9e2eaf02dd1591e8eafa3b9e0cbc828 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -43,7 +43,7 @@ GEM
       http-cookie (~> 1.0.0)
     faraday_middleware (0.13.1)
       faraday (>= 0.7.4, < 1.0)
-    ffi (1.13.1)
+    ffi (1.12.2)
     hash_validator (1.0.0)
     hashdiff (1.0.0)
     http-cookie (1.0.3)