diff --git a/Gemfile.lock b/Gemfile.lock
index a7f751a..b375276 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -57,7 +57,7 @@ GEM
     escape (0.0.4)
     ethon (0.14.0)
       ffi (>= 1.15.0)
-    ffi (1.15.4)
+    ffi (1.15.5)
     fourflusher (2.3.1)
     fuzzy_match (2.0.4)
     gh_inspector (1.1.3)