diff --git a/Gemfile.lock b/Gemfile.lock
index ccbb5db..fa0ff53 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -92,7 +92,7 @@ GEM
       responders
       warden (~> 1.2.3)
     diff-lcs (1.4.4)
-    diffy (3.3.0)
+    diffy (3.4.0)
     docile (1.3.2)
     erubi (1.9.0)
     execjs (2.7.0)