diff --git a/Gemfile.lock b/Gemfile.lock
index dd3455bfe..d918478e2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -237,8 +237,8 @@ GEM
       rake
     et-orbi (1.2.4)
       tzinfo
-    ethon (0.14.0)
-      ffi (>= 1.15.0)
+    ethon (0.12.0)
+      ffi (>= 1.3.0)
     excon (0.82.0)
     execjs (2.8.1)
     eye (0.10.0)