diff --git a/Gemfile.lock b/Gemfile.lock
index fa512ccc..a694e9b5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -147,7 +147,7 @@ GEM
       actionmailer (>= 5.0)
       devise (>= 4.6)
     diff-lcs (1.4.4)
-    diffy (3.4.0)
+    diffy (3.4.2)
     docile (1.3.2)
     draper (4.0.2)
       actionpack (>= 5.0)